Which one of the following colour has the least speed in glass?

Question

Which one of the following colour has the least speed in glass? (A) White (B) Violet (C) Black (D) Red

Tardigrade Admin · Accepted Answer

Speed of light waves is given by v=n λ Its the black and white colours are not physical colours and violet colour has the minimum wavelength. Hence, the velocity of violet colour is least.

Q. Which one of the following colour has the least speed in glass?

White

Violet

Black

Red

Speed of light waves is given by
$v = nλ$
Its the black and white colours are not physical colours and violet colour has the minimum wavelength. Hence, the velocity of violet colour is least.

Q. Which one of the following colour has the least speed in glass?

White

Violet

Black

Red

Speed of light waves is given by v=nλ Its the black and white colours are not physical colours and violet colour has the minimum wavelength. Hence, the velocity of violet colour is least.

Speed of light waves is given by
$v = nλ$
Its the black and white colours are not physical colours and violet colour has the minimum wavelength. Hence, the velocity of violet colour is least.