Class 7 Motion And Time CBSE Questions & Answers

Class 7 · Motion And Time

This is Science Class 7 Motion and Time CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
One meter is equal to _________ mm.
  • A
    10000
  • B
    10
  • C
    1000
    Correct
  • D
    100
2
Light travels ____________ than sound.
  • A
    Slower
  • B
    Equal
  • C
    Lesser
  • D
    Faster
    Correct
3
___________ is nothing but speed in definite direction.
  • A
    Velocity
    Correct
  • B
    Momentum
  • C
    Thrust
  • D
    Acceleration
4
SI unit of time is
  • A
    Hour
  • B
    Second
    Correct
  • C
    Day
  • D
    Minute
5
Speed of a vehicle is
  • A
    Always uniform
  • B
    Always non-uniform
  • C
    Some time non-uniform
  • D
    Not always uniform
    Correct
6
When a body does not change its position with time with respect to surrounding the body is said to be in state of
  • A
    Speed
  • B
    Rest
    Correct
  • C
    Velocity
  • D
    Motion
7
SI unit of frequency is
  • A
    Hertz
    Correct
  • B
    Metre
  • C
    Kg/m
  • D
    m/s
8
Simple pendulum was invented by
  • A
    Edison
  • B
    Isaac Newton
  • C
    Galileo Galile
    Correct
  • D
    William Harvey
9
Tip of a second clock moves in
  • A
    Oscillatory motion
  • B
    Circular motion
    Correct
  • C
    Linear motion
  • D
    Periodic motion
10
______________ is a device used to measure wind speed?
  • A
    Speedometer
  • B
    Anemometer
    Correct
  • C
    Odometer
  • D
    Ammeter
11
Speed with direction is called
  • A
    Displacement
  • B
    Velocity
    Correct
  • C
    Momentum
  • D
    Movement
12
Total distance traveled by a moving body never be zero but total displacement
  • A
    May be zero
    Correct
  • B
    Always zero
  • C
    Always greater than zero
  • D
    Never be zero
13
Average speed is equal to
  • A
    Total distance traveled /total time taken
    Correct
  • B
    Total speed /total time
  • C
    Distance traveled /hour
  • D
    Velocity /time
14
A car traveled 54 km in 30 minute, the average speed of the car is
  • A
    38 km/hrs
  • B
    108 km/hrs
    Correct
  • C
    27 km/hrs
  • D
    54 km/hrs
15
The time taken by earth to complete one revolution around the sun is called
  • A
    Half month
  • B
    One month
  • C
    One year
    Correct
  • D
    One decade