Advertisements
Advertisements
प्रश्न
A ______ is an artificial source of light.
पर्याय
seven
star
through
transparent
opaque
colors
shape
erect
inverted
luminous
candle
उत्तर
A candle is an artificial source of light.
संबंधित प्रश्न
Write true or false of the following statement.
Light travels in a straight-line path.
Write true or false of the following statement.
A shadow is formed because light travels in a straight-line path.
What is light? Define it.
Differentiate between the luminous and non-luminous bodies. Give two examples of each.
Does the flame of a gas stove emit light?
Tick the correct answer.
Light is a font of
When a ______ object comes in the way of light, light passes ______ it.
Write whether of the following objects are luminous or non-luminous.
| Object | Luminous/Non-luminous |
| A book | |
| A burning candle | |
| A wax cloth | |
| A pencil | |
| A pen | |
| A light bulb | |
| A tyre | |
| A torch |
Sunlight is a blend of______ colors
Speed of light in air is 3 × 108 m s–1 and the refractive index of a medium is 1.5. Find the speed of light in the medium.
