EASY
NTSE Stage I - Uttarakhand
IMPORTANT
Earn 100

A glass slab is placed over a piece of paper on which VIBGYOR is printed with each letter in its corresponding colours. The colour that appears to be raised maximum is :

50% studentsanswered this correctly

Important Questions on Light

EASY
NTSE Stage I - Uttarakhand
IMPORTANT

Match the following correctly:

Phenomenon Cause
I. Rainbow a Scattering of light
II. Brilliance of diamond b. Dispersion of light
III. Blue colour of sky c. Atmospheric Refraction
IV. Advance sunrise and delayed sunset d. Total internal reflection

 

EASY
NTSE Stage I - Uttarakhand
IMPORTANT
The danger signals installed at the top of tall buildings are red. These can be easily seen from a distance because among all other colours, the red light
MEDIUM
NTSE Stage I - Uttarakhand
IMPORTANT
For a concave mirror of focal length 10 cm to form twice magnified image, distance of object from its pole is/are
EASY
NTSE Stage I - Uttarakhand
IMPORTANT
Rays used for taking photograph of an object in the dark are :