Advertisements
Advertisements
प्रश्न
The refractive index of a transparent medium is always greater than ______.
उत्तर
The refractive index of a transparent medium is always greater than one.
APPEARS IN
संबंधित प्रश्न
What is lateral inversion? Explain by giving a suitable example.
Write the word AMBULANCE as it would appear when reflected in a plane mirror. Why is it sometimes written in this way (as its mirror image) on the front of an ambulance?
Name the phenomenon due to which a swimming pool appears less deep than it really is.
State whether the following statement is true or false:
Refraction occurs because light slows down in denser materials.
Light travels more quickly through water than through glass.
If a ray of light passes from glass into water, which way will it bend : towards the normal or away from the normal?
When a ray of light travels from water to air, it bends ............. the normal.
Define the principal focus of a concave mirror.
Explain how the formation of a rainbow occurs.
Light changes its direction when going from one transparent medium to another transparent medium. This is called _______.
Observe the given figure and name the following.
Ray AB | |
Ray NM | |
Ray MD | |
∠ r |