General Science | Physics | Mechanics (Mass, Force, Acceleration, Work, Energy, Momentum, Velocity)
General Science | Physics | Mechanics (Mass, Force, Acceleration, Work, Energy, Momentum, Velocity)
1. The working principle of a washing machine is
Centrifugation
Dialysis
Reverse osmosis
Diffusion
Correct Answer
Wrong Answer
2. Which of the following is not a vector quantity?
Displacement
Velocity
Force
Volume
Correct Answer
Wrong Answer
3. A simple machine helps a person in doing
Less work
The same amount of work with lesser force
The same amount of work slowly
The same amount of work much faster
Correct Answer
Wrong Answer
4. A man is standing on a sensitive balance. If he inhales deeply, the reading of the balance
Increases
Decreases
Remains unaffected
May increase or decrease depending on the atmospheric pressure
Correct Answer
Wrong Answer
5. Which of the following is a vector quantity?
Time
Speed
Displacement
Distance
Correct Answer
Wrong Answer
6. Which one of the following is a vector quantity?
Momentum
Pressure
Energy
Work
Correct Answer
Wrong Answer
7. Which physical quantity is represented by the ratio of momentum and velocity of the body?
Velocity
Acceleration
Mass
Force
Correct Answer
Wrong Answer
8. Force is the product of
Mass and velocity
Mass and acceleration
Weight and velocity
Weight and acceleration
Correct Answer
Wrong Answer
9. If the number representing volume and surface area of a cube are equal, then the length of the edge of the cube in terms of the unit of measurement will be
3
4
5
6
Correct Answer
Wrong Answer
10. Energy conservation means
Generation and destruction of energy
Energy could be created
Energy could not be created but destroyed
Energy can neither be created nor destroyed
Correct Answer
Wrong Answer
11. The energy of wind is
Only potential
Only kinetic
Electrical
Potential and kinetic both
Correct Answer
Wrong Answer
12. In wind power, which form of energy is converted into electrical energy?
Kinetic energy
Potential energy
Solar energy
Radiant energy
Correct Answer
Wrong Answer
13. As the train starts moving, the head of the passenger sitting inside leans backward because of
Inertia of Rest
Inertia of Motion
Moment of Inertia
Conservation of Mass
Correct Answer
Wrong Answer
14. It is difficult to walk on the ice than on the road because
Ice is harder than the road
Road is harder than the ice
Ice does not offer any reaction when we push it with our foot
Ice has a lesser friction than the road
Correct Answer
Wrong Answer
15. A man jumped at a speed of 5 metre per second from a stationary boat and the boat moved off with the speed of 0.5 metre per second. How many times is the mass of the boat greater than that of the man?
5.5 times
4.5 times
2.5 times
10 times
Correct Answer
Wrong Answer
16. A person is sitting in a car which is at rest. The reaction from the road at each of the four wheels of the car is R. When the car runs on a straight level road, how will the reaction at either of the front wheels vary?
It will be greater than R
It will be less than R
It will be equal to R
It shall depend on the material of the road
Correct Answer
Wrong Answer
17. An oil tanker is partially filled with oil and moves forward on a level road with uniform acceleration. The free surface of oil, then
remains horizontal
is inclined to the horizontal with smaller depth at the rear end
is inclined to the horizontal with larger depth at the rear end
assumes parabolic curve
