Free MCQs & Online Quiz Practice for Exams

Q: The angular displacement made by the minute hand after 6 minutes is: (Entry test 2012)

A) 30°

B) 20°

C) 90°

D) 180°

Q: The orbital speed of a satellite around Earth is: (Entry test 2009)

A) √(GM/r)

B) √(GM·r)

C) GM/r²

D) G·M

Q: The direction of torque is: (Entry test 2000)

A) Parallel to plane

B) Perpendicular to plane

C) Anti-parallel to plane

D) Same as plane

Q: The time period of a communication satellite is: (Entry test 2009)

A) 1 hour

B) 2 hours

C) 12 hours

D) 24 hours

Q: A large water tank open at the top has a small hole at the bottom. When the water level is 30 m above the hole, the speed of water leaking is: (Entry test 2015)

A) 2.5 m/s

B) 24 m/s

C) ?

D) Cannot be calculated unless area is given

Q: Human blood pressure is measured in: (Entry test 2006)

A) Nm^-2

B) Pascal

C) mm Hg

D) cm Hg

Q: Decrease in pressure with increase in speed of fluid in horizontal tube gives the: (Entry test 2010)

A) Torricelli's effect

B) Bernoulli's effect

C) Venturi's effect

D) Doppler's effect

Q: The maximum drag force on a sphere falling with zero acceleration is 9.8 N. Its real weight is: (Entry test 2010)

A) zero

B) 9.8 N

C) 4.9 N

D) 19.6 N

Q: [MLT^-1] are the dimensions of: (Entry test 2011)

A) Angular momentum

B) power

C) impulse

D) viscosity

Q: A 2-meter high tank is full of water. A hole is made in the middle. The speed of efflux is: (Entry test 2011)

A) 4.9 m/s

B) 9.8 m/s

C) 4.42 m/s

D) 3.75 m/s

Q: The acceleration of a falling body in a fluid depends upon: (Entry test 2009)

A) velocity

B) viscosity of fluid

C) density of body

D) all of the above

Q: The equation of continuity is based on conservation of: (Entry test 2015)

A) Volume

B) Mass

C) Energy

D) Pressure

Q: Three masses 0.2 kg, 0.5 kg and 0.8 kg are dropped from the same height in a resistive medium. Which will gain terminal velocity first? (Entry test 2005)

A) 0.2 kg

B) 0.5 kg

C) 0.8 kg

D) All same

Q: In a vibrating cord the point where the particles are stationary is called: (Entry test 2014)

A) crest

B) anti-node

C) node

D) trough

Q: A spring obeying Hooke's law has unstretched length 50 mm and spring constant 400 N/m. What is the tension when length is 70 mm? (Entry test 2014)

A) 8.0 N

B) 28 N

C) 160 N

D) 400 N

Q: If the frequency of a simple pendulum is 0.25 Hz then its time period is: (Entry test 2003)

A) 1 s

B) 2 s

C) 3 s

D) 4 s

Q: If a tunnel is bored through the centre of the Earth and a stone is dropped, then the stone will: (Entry test 2010)

A) Stop at centre

B) Move outside tunnel

C) Perform simple harmonic motion

D) None of these

Q: How much will be the length of a simple pendulum if its time period is one second? (Entry test 2010)

A) 2.5 m

B) 0.25 m

C) 25 m

D) 0.025 m

Q: The quantity which specifies displacement and direction of motion in SHM is: (Entry test 2011)

A) phase angle

B) angular frequency

C) path difference

D) none

Q: The total energy of SHM is E. The K.E when displacement is half the amplitude is: (Entry test 2015)

A) E/2

B) E/4

C) 3E/4

D) 3/4E