HARD
12th ICSE
IMPORTANT
Earn 100

A ray of monochromatic light travelling in vacuum with speed c, wavelength λ and frequency f, enters into a medium of refractive index 1.5. What will be its new speed, wavelength and frequency?

Important Questions on Wave Nature of Light : Huygens' Principle

MEDIUM
12th ICSE
IMPORTANT

Out of speed, frequency, wavelength and amplitude, which parameter(s) does (do) not change on reflection?

MEDIUM
12th ICSE
IMPORTANT
Out of speed, frequency, wavelength and amplitude, which parameter(s) does (do) not change on refraction?
 
MEDIUM
12th ICSE
IMPORTANT

Is the speed of light in glass independent of the colour of light? Out of red and violet light which one travels slower in a glass prism?

MEDIUM
12th ICSE
IMPORTANT
Give the ratio of velocities of light of wavelengths 4000 Å and 8000 Å in vacuum.
MEDIUM
12th ICSE
IMPORTANT

A monochromatic beam of light travelling in vacuum enters a medium of refractive index n. What is the relation between the wavelengths of the incident and the refracted light waves?

MEDIUM
12th ICSE
IMPORTANT

Define wavefront. How is it related to the direction of the corresponding rays?

MEDIUM
12th ICSE
IMPORTANT

When monochromatic light is incident on a surface separating two media, both the reflected and the refracted light have same frequency as the incident light. Why?

MEDIUM
12th ICSE
IMPORTANT

When light travels from a rarer to a denser medium, it loses speed. Does this loss imply a reduction in energy carried by the light waves?