Assertion: When a white light is passed through a lens, violet light is more refracted than red light. Reason: Focal length for red light is greater than violet.

Question

Assertion: When a white light is passed through a lens, violet light is more refracted than red light. Reason: Focal length for red light is greater than violet. (A) If both assertion and reason are true and reason is the correct explanation of assertion (B) If both assertion and reason are true but reason is not the correct explanation of assertion (C) If assertion is true but reason is false (D) If both assertion and reason are false

Tardigrade Admin · Accepted Answer

When white light is passed through a lens, violet light is more refracted than red light because wavelength of violet is less than red light and therefore focal length for red light is greater than violet.

Q. Assertion: When a white light is passed through a lens, violet light is more refracted than red light. Reason: Focal length for red light is greater than violet.

If both assertion and reason are true and reason is the correct explanation of assertion

If both assertion and reason are true but reason is not the correct explanation of assertion

If assertion is true but reason is false

If both assertion and reason are false

When white light is passed through a lens, violet light is more refracted than red light because wavelength of violet is less than red light and therefore focal length for red light is greater than violet.

Q. Assertion: When a white light is passed through a lens, violet light is more refracted than red light.
Reason: Focal length for red light is greater than violet.