Advertisements
Advertisements
प्रश्न
Does the flame of a gas stove emit light?
Advertisements
उत्तर
Any burning thing emit light. The intensity of the light may not be the same. A flame of a gas stove emits light.
APPEARS IN
संबंधित प्रश्न
Can light travel in vacuum?
Write true or false of the following statement.
We can see an object through an opaque medium.
Fill in the blank
A medium through which light cannot pass is called the ....................
From among the following objects, list out the opaque, translucent, and transparent bodies in the space provided below:
A glass strip, an ordinary paper, greased paper, tracing paper, polythene sheet, wooden piece, steel plate, glycerine, kerosene oil, mustard oil, grounded glass, stone, book, water, and milk.
Opaque Transparent Translucent
Tick the correct answer.
A tube light is a
Fill in the blank
A ............. is formed when the path of light is obstructed by an ..............
Write true or false
The stars have no light.
Answer the following.
List four natural sources of light.
Answer the following.
What is meant by luminous intensity? What is one lumen?
a) Draw ray diagrams to show how the image is formed using a concave mirror, when the position of object is:
- at C
- between C and F
- between F and P of the mirror.
b) Mention the position and nature of image in each case.
