| 1 |
Which thing is not bright. |
- A. Book
- B. Candle
- C. Bulb
- D. Sun
|
| 2 |
Light is the type of |
- A. Motion
- B. Accelration
- C. Energy
- D. Speed
|
| 3 |
Which of the following sounds is called noise. |
- A. Sound of a flute
- B. Rusting of leaves
- C. Pressure horn
- D. Chirping of birds
|
| 4 |
The object through which light can pass completely. |
- A. Translucent
- B. Opaque
- C. Semi and opaque object
- D. Transparent
|
| 5 |
Which object reflect maximum light. |
- A. White paper
- B. Coloured paper
- C. Mirror
- D. Brick wall
|
| 6 |
The speed of sound through air. |
- A. 340 meter per secod
- B. 1500 meter per second
- C. 5000 meter per second
- D. 500 meter per second
|
| 7 |
Speed of sound is maximum in |
- A. A metal wire
- B. Air
- C. Water
- D. Vacuum
|
| 8 |
Speed oflight travels is one second. |
- A. 200,000 km
- B. 300,000 km
- C. 400,000 km
- D. 500,000 km
|
| 9 |
The light reflected from the moon resches to earth. |
- A. 2.5 sec
- B. 3.5 sec
- C. 1.5 sec
- D. 0.5 sec
|
| 10 |
Sound is a type of energy. |
- A. Electrical
- B. Mechanical
- C. Thermal
- D. Chemical
|
