Home
Class 12
PHYSICS
Why do we keep the prism in minimum devi...

Why do we keep the prism in minimum deviation position while studying the spectrum ? It make the spectral lines of different colours

A

sharp

B

visible

C

magnified

D

straight.

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

Two beams of red and violet colours are made to pass separately through a prism of A = 60^@ . In the minimum deviation position, the angle of refraction inside the prism will be

Two beams of red and violet colours are made to pass separately through a prism of A=60^(@) In the minimum deviation position, the angle of refraction inside the prism will be

An equilateral prism is kept in the minimum deviation position. If the angle of incidence of a monochromatic ray at a refracting face is 49^@30 , the angle of minimum deviation of the ray will be

In the experimental set-up to show that "the germinating seeds give out carbon dioxide", answer the following questions: i] Why do we keep the conical flask airtight? ii] Name the substance kept in the small test tube inside the conical flask. Write its role. iii] Why does water rise in the delivery tube?

An equilateral prism is placed on the prism table of a spectrometer in the position of minimum deviation. If the angle of incidence is 60^@ , the angle of deviation of the ray is :

When a beam of white light is passed through a triangular glass prism, it gets dispersed into its seven colour components. Why do we get these colours ? In the given figure, the colours 3 and 4 represent the extreme components of the spectrum. Identify 3 and 4.

A beam of white light falling a glass prism split up into seven colours marked 1 to 7 as shown in the diagram. A student makes the flowing statements about the spectrum observed on the screen : The colours at position mared 3 and 5 are similar to the colour of the sky and the colour of gold metal, respectively. Is the above statement made by the student correct or incorrect ? Justify. Which of the above-shown positions corresponds approximately to the colour of (a) a solution of potassium permanganate and (b) 'danger' or stop signal lights ?