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## Motion-Time-questions Physics-day-2 Target ssc cgl 2018

Motion-Time-questions Physics-day-2 Target ssc cgl 2018

Q1. If the velocity-time graph of a particle is represented by y = mt + c, then the particle is moving with

(a)constant speed

(b)constant velocity

(c)constant acceleration

(d)varying acceleration

Q2. For a body moving with non-uniform velocity and uniform acceleration

(a)Displacement -Time graph is linear

(b)Displacement-Time graph is non-linear

(c)Velocity -Time graph is nonlinear

(d)Velocity-Time graph is linear

Q3. Which of the following are used for accurately measuring very small time intervals?

(a)Pulsars

(b)Quartz clocks

(c)Atomic clocks

(d)White dwarfs

Q4. The time period of a seconds pendulum is

(a)1 second

(b)2 seconds

(c)0-5 second

(d)1-5 seconds

Q5. Instrument used for measuring the distance is

(a)Barometer

(b)Speedometer

(c)Ammeter

(d)Odometer

Q6. The slope of a velocity-time graph represents

(a)acceleration

(b)displacement

(c)distance

(d)speed

Q7. A boy sitting in an open car moving with the constant speed throws a ball straight up into the air. The ball falls

(a)behind him

(b)in front of him

(c)into his hand

(d)by his side

Q8. Which of the following is the S.I. unit of speed?

(a)m/s

(b)km/hr

(c)m/ns

(d)km/ns

Q9. Momentum is the product of…

(a)Force and time

(b)Mass and velocity

(c)Angular speed and radius

(d)time and velocity

Q10. What should a person on a freely rotating turn table do to decrease his (angular) speed?

(a)Bring his hands together

(b)Raise his hands up

(c)Spread his hands outwards

(d)Sit down with raised hands

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