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Showing posts with label Physics. Show all posts
Showing posts with label Physics. Show all posts
Tuesday, 24 March 2015
Tuesday, 24 February 2015
MCAT Phsyics MCQs Medical College Addimision Test Past Paper
MCAT Phsyics MCQs
1. The angular
momentum of a particle under the influence of a central force is
a) Infinite b) Negative c) Zero d) CONSTANT
2. Transverse component of the central force acting on a particle to keep it moving along a path is
a) mv2r b)mv2/r c) ZERO d) constant
3. Law of Intertia can be defined in
a) Accelerated system b) NON ACCELERATED SYSTEM c) both a) & b) d)None of these
4. The K.E of the particle executing a uniform circular motion:
a) Increases b) decreases c) REMAINS SAME d)None of these
5. What type of force acts on a raindrop to reduce its speed?
a) Gravitational force b) FORCE OF FRICTION c) Electromagnetic force d) drag force
6. The branch of heat relating to the measurement of temperature of body is called
a) THERMOMETRY b) photometry c) ellipsometry d) calorimetry
7. Which type of ideal gas will have the largest value for Cp-Cv
a) Monoatomic b) diatomic c) polyatomic d) THE VALUE IS SAME FOR ALL
8. What would be the most likely value for Ct, the molar heat capacity at constant temperature
a) Zero b) zero<Ct< Cv c) Cv<Ct<Cp d) CT= INFINITE
9. For which of the following process the entropy changes zero?
a) Isobaric b) isothermal c) ADIABATIC d) isochoric
10. The zeroth law of thermodynamics helps to define the term
a) TEMPERATURE b) pressure c) volume d) density
11. The law of conservation of mass in fluid dynamics can be expressed as
a) Av= constant b) RHO AV= CONSTANT c) P+(1/2)rho V + rho gy = constant d)None of these
12. The SI Unit of Viscosity is
a) N-S/M2 b) Dynes-s/cm2 c) N-s/m dynes-s/cm
13. The equation of the continuity requires that the total mass within certain volume must remain constant:
a) If there are sources as well as sinks
B) IF THERE ARE NO SOURCES & SINKS
c) If there are sources only
d) If there are sinks only
14. If the length of the “L” and the total force acting on it is “F” then surface tension given is
a) F*L b)F.L C) F/L d) L/F
15. If the particle of liquid which pass through a certain point do not follow the same path, as that followed by the particles that passed the same point previously the liquid is said to have
a) Steady b) NON STEADY FLOW c) turbulent flow d)None of these
16. The potential energy of a simple harmonic oscillator is
a) –Kx b) –Kx2 c) 1/2 KX2 D) -1/2 KX2
17. Types of the mechanical weaves are
A) LONGITUDINAL AND SOUND WAVES
b) Sound and radio waves
c) Longitudinal and transverse waves
d) Transverse & x-rays
18. The refracted ray bends towards the normal when it enters from
A) RARE TO DENSER MEDIUM
b) denser to rare medium
c) Air to vacuum
d) None of these
19. On a reflection from a fixed end, a transverse wave undergoes a phase change of___ degrees
a) 90 B) 180 c) 270 d) 360
20. Resolving power of a gratting can be written as:
a) LAMBA/DEL LAMDA b) del theta/del lamda c) del lamda/lamda d) del
a) Infinite b) Negative c) Zero d) CONSTANT
2. Transverse component of the central force acting on a particle to keep it moving along a path is
a) mv2r b)mv2/r c) ZERO d) constant
3. Law of Intertia can be defined in
a) Accelerated system b) NON ACCELERATED SYSTEM c) both a) & b) d)None of these
4. The K.E of the particle executing a uniform circular motion:
a) Increases b) decreases c) REMAINS SAME d)None of these
5. What type of force acts on a raindrop to reduce its speed?
a) Gravitational force b) FORCE OF FRICTION c) Electromagnetic force d) drag force
6. The branch of heat relating to the measurement of temperature of body is called
a) THERMOMETRY b) photometry c) ellipsometry d) calorimetry
7. Which type of ideal gas will have the largest value for Cp-Cv
a) Monoatomic b) diatomic c) polyatomic d) THE VALUE IS SAME FOR ALL
8. What would be the most likely value for Ct, the molar heat capacity at constant temperature
a) Zero b) zero<Ct< Cv c) Cv<Ct<Cp d) CT= INFINITE
9. For which of the following process the entropy changes zero?
a) Isobaric b) isothermal c) ADIABATIC d) isochoric
10. The zeroth law of thermodynamics helps to define the term
a) TEMPERATURE b) pressure c) volume d) density
11. The law of conservation of mass in fluid dynamics can be expressed as
a) Av= constant b) RHO AV= CONSTANT c) P+(1/2)rho V + rho gy = constant d)None of these
12. The SI Unit of Viscosity is
a) N-S/M2 b) Dynes-s/cm2 c) N-s/m dynes-s/cm
13. The equation of the continuity requires that the total mass within certain volume must remain constant:
a) If there are sources as well as sinks
B) IF THERE ARE NO SOURCES & SINKS
c) If there are sources only
d) If there are sinks only
14. If the length of the “L” and the total force acting on it is “F” then surface tension given is
a) F*L b)F.L C) F/L d) L/F
15. If the particle of liquid which pass through a certain point do not follow the same path, as that followed by the particles that passed the same point previously the liquid is said to have
a) Steady b) NON STEADY FLOW c) turbulent flow d)None of these
16. The potential energy of a simple harmonic oscillator is
a) –Kx b) –Kx2 c) 1/2 KX2 D) -1/2 KX2
17. Types of the mechanical weaves are
A) LONGITUDINAL AND SOUND WAVES
b) Sound and radio waves
c) Longitudinal and transverse waves
d) Transverse & x-rays
18. The refracted ray bends towards the normal when it enters from
A) RARE TO DENSER MEDIUM
b) denser to rare medium
c) Air to vacuum
d) None of these
19. On a reflection from a fixed end, a transverse wave undergoes a phase change of___ degrees
a) 90 B) 180 c) 270 d) 360
20. Resolving power of a gratting can be written as:
a) LAMBA/DEL LAMDA b) del theta/del lamda c) del lamda/lamda d) del
Saturday, 14 February 2015
Physics MCQs For ECAT MCAT
Physics Questions For Engineering College Admissions Test ECAT
Medical College Admission Test MCAT
1. The angular
momentum of a particle under the influence of a central force is
a) Infinite b) Negative c) Zero d) CONSTANT
2. Transverse component of the central force acting on a particle to keep it moving along a path is
a) mv2r b)mv2/r c) ZERO d) constant
3. Law of Intertia can be defined in
a) Accelerated system b) NON ACCELERATED SYSTEM c) both a) & b) d)None of these
4. The K.E of the particle executing a uniform circular motion:
a) Increases b) decreases c) REMAINS SAME d)None of these
5. What type of force acts on a raindrop to reduce its speed?
a) Gravitational force b) FORCE OF FRICTION c) Electromagnetic force d) drag force
6. The branch of heat relating to the measurement of temperature of body is called
a) THERMOMETRY b) photometry c) ellipsometry d) calorimetry
7. Which type of ideal gas will have the largest value for Cp-Cv
a) Monoatomic b) diatomic c) polyatomic d) THE VALUE IS SAME FOR ALL
8. What would be the most likely value for Ct, the molar heat capacity at constant temperature
a) Zero b) zero<Ct< Cv c) Cv<Ct<Cp d) CT= INFINITE
9. For which of the following process the entropy changes zero?
a) Isobaric b) isothermal c) ADIABATIC d) isochoric
10. The zeroth law of thermodynamics helps to define the term
a) TEMPERATURE b) pressure c) volume d) density
11. The law of conservation of mass in fluid dynamics can be expressed as
a) Av= constant b) RHO AV= CONSTANT c) P+(1/2)rho V + rho gy = constant d)None of these
12. The SI Unit of Viscosity is
a) N-S/M2 b) Dynes-s/cm2 c) N-s/m dynes-s/cm
13. The equation of the continuity requires that the total mass within certain volume must remain constant:
a) If there are sources as well as sinks
B) IF THERE ARE NO SOURCES & SINKS
c) If there are sources only
d) If there are sinks only
14. If the length of the “L” and the total force acting on it is “F” then surface tension given is
a) F*L b)F.L C) F/L d) L/F
15. If the particle of liquid which pass through a certain point do not follow the same path, as that followed by the particles that passed the same point previously the liquid is said to have
a) Steady b) NON STEADY FLOW c) turbulent flow d)None of these
16. The potential energy of a simple harmonic oscillator is
a) –Kx b) –Kx2 c) 1/2 KX2 D) -1/2 KX2
17. Types of the mechanical weaves are
A) LONGITUDINAL AND SOUND WAVES
b) Sound and radio waves
c) Longitudinal and transverse waves
d) Transverse & x-rays
18. The refracted ray bends towards the normal when it enters from
A) RARE TO DENSER MEDIUM
b) denser to rare medium
c) Air to vacuum
d) None of these
19. On a reflection from a fixed end, a transverse wave undergoes a phase change of___ degrees
a) 90 B) 180 c) 270 d) 360
20. Resolving power of a gratting can be written as:
a) LAMBA/DEL LAMDA b) del theta/del lamda c) del lamda/lamda d) del
a) Infinite b) Negative c) Zero d) CONSTANT
2. Transverse component of the central force acting on a particle to keep it moving along a path is
a) mv2r b)mv2/r c) ZERO d) constant
3. Law of Intertia can be defined in
a) Accelerated system b) NON ACCELERATED SYSTEM c) both a) & b) d)None of these
4. The K.E of the particle executing a uniform circular motion:
a) Increases b) decreases c) REMAINS SAME d)None of these
5. What type of force acts on a raindrop to reduce its speed?
a) Gravitational force b) FORCE OF FRICTION c) Electromagnetic force d) drag force
6. The branch of heat relating to the measurement of temperature of body is called
a) THERMOMETRY b) photometry c) ellipsometry d) calorimetry
7. Which type of ideal gas will have the largest value for Cp-Cv
a) Monoatomic b) diatomic c) polyatomic d) THE VALUE IS SAME FOR ALL
8. What would be the most likely value for Ct, the molar heat capacity at constant temperature
a) Zero b) zero<Ct< Cv c) Cv<Ct<Cp d) CT= INFINITE
9. For which of the following process the entropy changes zero?
a) Isobaric b) isothermal c) ADIABATIC d) isochoric
10. The zeroth law of thermodynamics helps to define the term
a) TEMPERATURE b) pressure c) volume d) density
11. The law of conservation of mass in fluid dynamics can be expressed as
a) Av= constant b) RHO AV= CONSTANT c) P+(1/2)rho V + rho gy = constant d)None of these
12. The SI Unit of Viscosity is
a) N-S/M2 b) Dynes-s/cm2 c) N-s/m dynes-s/cm
13. The equation of the continuity requires that the total mass within certain volume must remain constant:
a) If there are sources as well as sinks
B) IF THERE ARE NO SOURCES & SINKS
c) If there are sources only
d) If there are sinks only
14. If the length of the “L” and the total force acting on it is “F” then surface tension given is
a) F*L b)F.L C) F/L d) L/F
15. If the particle of liquid which pass through a certain point do not follow the same path, as that followed by the particles that passed the same point previously the liquid is said to have
a) Steady b) NON STEADY FLOW c) turbulent flow d)None of these
16. The potential energy of a simple harmonic oscillator is
a) –Kx b) –Kx2 c) 1/2 KX2 D) -1/2 KX2
17. Types of the mechanical weaves are
A) LONGITUDINAL AND SOUND WAVES
b) Sound and radio waves
c) Longitudinal and transverse waves
d) Transverse & x-rays
18. The refracted ray bends towards the normal when it enters from
A) RARE TO DENSER MEDIUM
b) denser to rare medium
c) Air to vacuum
d) None of these
19. On a reflection from a fixed end, a transverse wave undergoes a phase change of___ degrees
a) 90 B) 180 c) 270 d) 360
20. Resolving power of a gratting can be written as:
a) LAMBA/DEL LAMDA b) del theta/del lamda c) del lamda/lamda d) del
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Sunday, 8 February 2015
Physics MCQs for ECAT MCAT Chapter One MEASUREMENT
Physics MCQs for
Engineering College Admission Test
Medical College Admission Test
MEASUREMENT
1. The SI standard of time is based on:
A. the daily rotation of the earth
B. the frequency of light emitted by Kr86
C. the yearly revolution of the earth about
the sun
D. a precision pendulum clock
E. none of these
Ans: E
2. A nanosecond is:
A. 109 s
B. 10−9 s
C. 10−10 s
D. 10−10 s
E. 10−12
Ans: B
3. The SI standard of length is based on:
A. the distance from the north pole to the
equator along a meridian passing through Paris
B. wavelength of light emitted by Hg198
C. wavelength of light emitted by Kr86
D. a precision meter stick in Paris
E. the speed of light
Ans: E
4. In 1866, the U. S. Congress defined the U.
S. yard as exactly 3600/3937 international meter.
This was done primarily because:
A. length can be measured more accurately in
meters than in yards
B. the meter is more stable than the yard
C. this definition relates the common U. S.
length units to a more widely used system
D. there are more wavelengths in a yard than
in a meter
E. the members of this Congress were
exceptionally intelligent
Ans: C
5. Which of the following is closest to a yard
in length?
A. 0.01 m
B. 0.1 m
C. 1 m
D. 100 m
E. 1000 m
Ans: C
6. There is no SI base unit for area because:
A. an area has no thickness; hence no physical
standard can be built
B. we live in a three (not a two) dimensional
world
C. it is impossible to express square feet in
terms of meters
D. area can be expressed in terms of square
meters
E. area is not an important physical quantity
Ans: D
7. The SI base unit for mass is:
A. gram
B. pound
C. kilogram
D. ounce
E. kilopound
Ans: C
8. A gram is:
A. 10−6 kg
B. 10−3 kg
C. 1 kg
D. 103 kg
E. 106 kg
Ans: B
9. Which of the following weighs about a
pound?
A. 0.05 kg
B. 0.5 kg
C. 5 kg
D. 50 kg
E. 500 kg
Ans: D
10. (5.0 × 104) × (3.0 × 106) =
A. 1.5 × 109
B. 1.5 × 1010
C. 1.5 × 1011
D. 1.5 × 1012
E. 1.5 × 1013
Ans: C
11. (5.0 × 104) × (3.0 × 10−6) =
A. 1.5 × 10−3
B. 1.5 × 10−1
C. 1.5 × 101
D. 1.5 × 103
E. 1.5 × 105
Ans: B
12. 5.0 × 105 + 3.0 × 106 =
A. 8.0 × 105
B. 8.0 × 106
C. 5.3 × 105
D. 3.5 × 105
E. 3.5 × 106
Ans: E
13. (7.0 × 106)/(2.0 × 10−6) =
A. 3.5 × 10−12
B. 3.5 × 10−6
C. 3.5
D. 3.5 × 106
E. 3.5 × 1012
Ans: E
14. The number of significant figures in
0.00150 is:
A. 2
B. 3
C. 4
D. 5
E. 6
Ans: B
15. The number of significant figures in 15.0
is:
A. 1
B. 2
C. 3
D. 4
E. 5
Ans: C
16. 3.2 × 2.7 =
A. 9
B. 8
C. 8.6
D. 8.64
E. 8.640
Ans: C
17. 1.513 + 27.3 =
A. 29
B. 28.8
C. 28.9
D. 28.81
E. 28.813
( )Ans: B
18. 1 mi is equivalent to 1609 m so 55 mph is:
A. 15 m/s
B. 25 m/s
C. 66 m/s
D. 88 m/s
E. 1500 m/s
Ans: B
19. A sphere with a radius of 1.7 cm has a
volume of:
A. 2.1 × 10−5 m3
B. 9.1 × 10−4 m3
C. 3.6 × 10−3 m3
D. 0.11 m3
E. 21 m3
Ans: A
20. A sphere with a radius of 1.7 cm has a
surface area of:
A. 2.1 × 10−5 m2
B. 9.1 × 10−4 m2
C. 3.6 × 10−3 m2
D. 0.11 m2
E. 36 m2
Ans: C
21. A right circular cylinder with a radius of
2.3 cm and a height of 1.4 m has a volume of:
A. 0.20 m3
B. 0.14 m3
C. 9.3 × 10−3 m3
D. 2.3 × 10−3 m3
E. 7.4 × 10−4 m3
Ans: D
22. A right circular cylinder with a radius of
2.3 cm and a height of 1.4 cm has a total surface area
of:
A. 1.7 × 10−3 m2
B. 3.2 × 10−3 m2
C. 2.0 × 10−3 m3
D. 5.3 × 10−3 m2
E. 7.4 × 10−3 m2
Ans: D
23. A cubic box with an edge of exactly 1 cm
has a volume of:
A. 10−9 m3
B. 10−6 m3
C. 10−3 m3
D. 103 m3
E. 106 m3
Ans: B
24. A square with an edge of exactly 1 cm has
an area of:
A. 10−6 m2
B. 10−4 m2
C. 102 m2
D. 104 m2
E. 106 m2
Ans: B
25. 1 m is equivalent to 3.281 ft. A cube with
an edge of 1.5 ft has a volume of:
A. 1.2 × 102 m3
B. 9.6 × 10−2 m3
C. 10.5 m3
D. 9.5 × 10−2 m3
E. 0.21 m3
Ans: B
26. During a short interval of time the speed
v in m/s of an automobile is given by v = at2 + bt3,
where the time t is in seconds. The units of a
and b are respectively:
A. m · s2; m · s4
B. s3/m; s4/m
C. m/s2; m/s3
D. m/s3; m/s4
E. m/s4; m/s5
Ans: D
27. Suppose A = BC, where A has the dimension
L/M and C has the dimension L/T. Then B
has the dimension:
A. T/M
B. L2/TM
C. TM/L2
D. L2T/M
E. M/L2T
Ans: A
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