| 1 |
If a body of mass 5 kg is raised vertically through a distance of 1 m, then work done is. |
- A. 49 J
- B. 4.9 J
- C. 490 J
- D. 0.49 J
|
| 2 |
The work done will be maximum when angle between F and d. |
- A. 180<sup>o</sup>
- B. 0<sup>o</sup>
- C. 90<sup>o</sup>
- D. 60<sup>o</sup>
|
| 3 |
The commercial unit of electric energy is |
- A. Kilo watt hour
- B. watt
- C. Watt hour
- D. Kilo Watt
|
| 4 |
Which one is a conservative force |
- A. Elastic spring force
- B. Air resistance
- C. Frictional force
- D. Tension in the spring
|
| 5 |
1 KWh = |
- A. 3.6 x 10<sup>3</sup>K
- B. 3.6 x 10<sup>6</sup>K
- C. 3.6 x 10<sup>9</sup>J
- D. 3.6 x 10<sup>12</sup>J
|
| 6 |
The dimension of power is |
- A. MLT-1
- B. ML2T-2
- C. ML2T2
- D. ML2T-3
|
| 7 |
_______ is bio fuel |
- A. Water
- B. Petrol
- C. Ethanol
- D. Oil
|
| 8 |
The SI unit of power is |
- A. Joule
- B. Newton
- C. Watt
- D. Kilowatt
|
| 9 |
The dimensions of work are |
- A. MLT<sup>-1</sup>
- B. MLT<sup>-2</sup>
- C. ML<sup>2</sup>T<sup>-2</sup>
- D. ML<sup>-1</sup>T<sup>-1</sup>
|
| 10 |
The ability of a body to do work is called its |
- A. Force
- B. Power
- C. Capacity
- D. Energy
|
