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
A truck travels 540 km in 4.5 hrs. The speed of truck is
  • A
    90 km/h
  • B
    75 km/h
  • C
    120 km/h
    Correct
  • D
    100 km/h
2
Frequency is the
  • A
    Total number of vibration in one minute
  • B
    Length of the pendulum
  • C
    Total distance covered by tip of pendulum
  • D
    Number of vibration per second
    Correct
3
Speed: Scalar :: ? : Vector.
  • A
    Velocity
    Correct
  • B
    Distance
  • C
    Momentum
  • D
    Pressure
4
Hand of a athlete at race is in
  • A
    Circular motion
  • B
    Periodic motion
    Correct
  • C
    Oscillatory motion
  • D
    Rectilinear motion
5
In 100 m race the time taken by the athletes is measured in
  • A
    Second
    Correct
  • B
    Nanosecond
  • C
    Microsecond
  • D
    Minute
6
Winding clocks and wristwatches are refinement of
  • A
    Atomic clock
  • B
    Sundial
  • C
    Electric clock
  • D
    Pendulum clock
    Correct
7
Number of vibration per second is called
  • A
    Frequency
    Correct
  • B
    Speed
  • C
    Wavelength
  • D
    Motion
8
A nanosecond is equal to
  • A
    One billionth of a minute
  • B
    One thousandth of a second
  • C
    One billionth of a second
    Correct
  • D
    One millionth of a second
9
What kind of motion a bullet shows when fired from a gun?
  • A
    Linear motion
    Correct
  • B
    Random motion
  • C
    Translatory motion
  • D
    Non-periodic motion.
10
Distance covered by a body can be calculated by
  • A
    Dividing speed with time
  • B
    Adding speed and time
  • C
    Multiplying mass with time
  • D
    Multiplying speed with time
    Correct
11
A tortoise move with the speed of 0.36 km/h. This speed in m/s is equal to
  • A
    0.2 m/s
  • B
    3 m/s
  • C
    1 m/s
  • D
    0.1 m/s
    Correct
12
The distance-time graph is a type of
  • A
    Pie chart
  • B
    Bar graph
  • C
    Line graph
    Correct
  • D
    Sigmoid curve
13
A car is moving with 72 km/hrs. The speed of car in m/s is
  • A
    20 m/s
  • B
    40 m/s
  • C
    30 m/s
  • D
    25 m/s
    Correct
14
A motorcycle moving with 45 km/h will cover how much distance in 2 hour?
  • A
    60 km
  • B
    90 km
    Correct
  • C
    100 km
  • D
    22.5 km
15
Change in position with respect to the surroundings is called
  • A
    Force
  • B
    Movement
  • C
    Momentum
  • D
    Motion
    Correct