| 1 |
Earth's gravitational force of attraction vanishes at |
- A. 6400 km
- B. Infinity
- C. 42300 km
- D. 1000 km
|
| 2 |
Which pair of physical quantities has same SI unit? |
- A. energy , power
- B. power , work
- C. energy , work
- D. work , momentum
|
| 3 |
That force which produces an acceleration of one metre per second per second in a body of one kilogram mass is called |
- A. 1 joule
- B. 1 newton
- C. 1 watt
- D. 1 ampere
|
| 4 |
The centre of gravity of uniform triangle is: |
- A. Point of intersection of medians
- B. On its vertex
- C. On middle point of its axis
- D. Point of intersection of diagonal
|
| 5 |
Inertia depends upon: |
- A. Weight
- B. Mass
- C. Density
- D. Force
|
| 6 |
According to Archimedes principle upthrust is equal to |
- A. weight of displaced liquid
- B. volume of displaced liquid
- C. mass of displaced liquid
- D. are of displaced liquid
|
| 7 |
The energy released int he form of nuclear radiations in addition to heat and light is called: |
- A. Mechanical energy
- B. Gravitational energy
- C. Chemical energy
- D. Nuclear energy
|
| 8 |
The product of force and displacement is called; |
- A. Work
- B. Efficiency
- C. Power
- D. Energy
|
| 9 |
The method used for addition of non-parallel forces is. |
- A. Algebraic
- B. Head to trail rule
- C. Mathematical
- D. Nil
|
| 10 |
The upper reference point in thermometer is used to check: |
- A. Melting point
- B. Freezing point
- C. Boiling point
- D. Streaming point
|