Ray Optics-Deviation and Dispersion of Light by a Prism (KVPY Stream-SA (Class 11) Physics): Questions 1 - 2 of 2

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 252 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 200.00 or

Question number: 1

» Ray Optics » Deviation and Dispersion of Light by a Prism

Appeared in Year: 2010

MCQ▾

Question

White light is split into a spectrum by a prism and it is seen on a screen. If we put another identical inverted prism behind it in contact, what will be seen on the screen?

Choices

Choice (4) Response

a.

There will be no spectrum, but only the original light with no deviation

b.

The spectrum will remain the same

c.

There will be no spectrum, but the original light will be largely displaced

d.

Violet will appear where red was

Question number: 2

» Ray Optics » Deviation and Dispersion of Light by a Prism

Appeared in Year: 2013

MCQ▾

Question

The refractive index of a prism measured using three lines of a mercury vapour lamp. If μ1, μ2 and μ3 are the measured refractive indices for these green, blue and yellow lines respectively, then

Choices

Choice (4) Response

a.

μ2>μ3>μ1

b.

μ3>μ2>μ1

c.

μ2>μ1>μ3

d.

μ1>μ2>μ3

Sign In