1 |
Non -illuminated object that are illuminated by heating are called. |
Transparent object
Opaque object
Burning object
Semi transparent
|
2 |
Moon is |
Luminous object
Ligh emitting object
Non-luminous object
Opaque object
|
3 |
Which of the following object in luminous. |
Book
Candle
Bulb
Sun
|
4 |
The light reflected from the moon resches to earth. |
2.5 sec
3.5 sec
1.5 sec
0.5 sec
|
5 |
The light from the sun reaches on the earth |
5 min
8 min
10 min
15 min
|
6 |
Which thing is not bright. |
Book
Candle
Bulb
Sun
|
7 |
What one of the followig object emit its light. |
Wood
Brick
Sun
Soil
|
8 |
Speed oflight travels is one second. |
200,000 km
300,000 km
400,000 km
500,000 km
|
9 |
Light is the type of |
Motion
Accelration
Energy
Speed
|
10 |
Which of the following sounds is called noise. |
Sound of a flute
Rusting of leaves
Pressure horn
Chirping of birds
|