MEDIUM
10th CBSE
IMPORTANT
Earn 100

What are the apparatus required in performing the experiment tracing the path of a ray of light passing through a rectangular glass slab?

Important Questions on Light - Reflection and Refraction

MEDIUM
10th CBSE
IMPORTANT
A student performs the experiment on tracing the path of a ray of light through a rectangular glass slab for four different angles of incidence. He measures the angle of incidence i, angle of refraction r and angle of emergence e for all his observations. What would he find in all the cases?
MEDIUM
10th CBSE
IMPORTANT
After performing the experiment to trace the path of a ray of light passing through a glass slab for different angles of incidence, for students prepared the following observation tables. Which of the observations is likely to be correct?
MEDIUM
10th CBSE
IMPORTANT

A student traces the path of a ray of light passing through a rectangular glass slab. For measuring the angle of incidence, which position of the protractor is likely to be correct and why?

MEDIUM
10th CBSE
IMPORTANT

In an experiment to trace the path of a ray of light passing through a glass slab, four students tabulated their observations as given below:

Students  A B C D
i 30° 30° 30° 30°
r 18° 20° 17° 21.5°
e 32° 32.5° 30° 34.5°

Which student performed the experiment most correctly and why?

MEDIUM
10th CBSE
IMPORTANT

In an experiment to trace the path of a ray of light passing through a glass slab, four students A, B, C and D used the following values of angle of incidence and the distance between the feet of two pins (fixed on the incident ray).

Out of these, which is the best choice and why?

MEDIUM
10th CBSE
IMPORTANT
What precautions should be taken for the experiment to trace the path of a ray light passing through a glass slab?
MEDIUM
10th CBSE
IMPORTANT

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

S. No. i r e
I 30° 19° 30°
II 40° 26° 40°
III 50° 37° 51°
IV 60° 35° 59°

Which is the incorrect observation and why?

MEDIUM
10th CBSE
IMPORTANT
Which is the best set-up for tracing the path of a ray of light through a rectangular glass slab?