Define the angle of deviation.

Important Questions on The Human Eye and Colourful World

MEDIUM

10th CBSE

IMPORTANT

Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 5 - The Human Eye and Colourful World>IMPORTANT QUESTIONS>Q 7

What is the angle of deviation in the diagram given below?

EASY

10th CBSE

IMPORTANT

Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 5 - The Human Eye and Colourful World>IMPORTANT QUESTIONS>Q 8

A student recorded the following sets of observations during the experiment to trace the path of a ray of light passing through an equilateral glass prism.

S. No.	$\angle i$ (angle of incidence)	$\angle \delta$ (angle of deviation)	$\angle e$ (angle of emergence)
I	$30°$	$19°$	$77°$
II	$40°$	$26°$	$46°$
III	$50°$	$41°$	$51°$
IV	$54°$	$59°$	$65°$

Which is the incorrect observation and why?

MEDIUM

10th CBSE

IMPORTANT

Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 5 - The Human Eye and Colourful World>IMPORTANT QUESTIONS>Q 9

What precautions should be taken for the experiment to trace the path of a ray of light passing through a prism?

EASY

10th CBSE

IMPORTANT

Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 5 - The Human Eye and Colourful World>IMPORTANT QUESTIONS>Q 10

What are $PQ$ and $x$ representing?
 

EASY

10th CBSE

IMPORTANT

Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 5 - The Human Eye and Colourful World>IMPORTANT QUESTIONS>Q 11

In the following diagram, the path of a ray of light passing through a glass prism is shown what angles are represented by $Y$, $Q$ and $P$ respectively?