Rahim recorded the following sets of observations while tracing the path of a ray of light passing through a rectangular glass slab for different angles of incidence-WhineS-No-Angle of incidence-Angle of refraction-Angle of emergencellihlineII-40-circ- 38- circ- 38- -circlllhlinelend array The correct observation is recorded at serial number-A- IB- IIC- IIID- IV

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Byju's Answer

Standard X

Physics

Refractive Index

Rahim recorde...

Question

Rahim recorded the following sets of observations while tracing the path of a ray of light passing through a rectangular glass slab for different angles of incidence.

$S.No.Angle of incidenceAngle of refractionAngle of emergenceI45∘41∘45∘II40∘38∘38∘III45∘41∘40∘IV41∘45∘41∘$

The correct observation is recorded at serial number:

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III

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Solution

The correct option is A
I

I

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Q. A teacher asked four students to record the observations of the experiment on tracing the path of a ray of light through a rectangular glass slab. The students recorded their observations under the following headings:
(1) Angle of incidence, Angle of refraction, Angle of reflection
(2) Angle of incidence, Angle of deviation, Angle of emergence
(3) Angle of incidence, Angle of reflection, Angle of emergence
(4) Angle of incidence, Angle of refraction, Angle of emergence
The correct observations were recorded by the student:
(1) A
(2) B
(3) C
(4) D

After tracing the path of rays of light through a glass slab for three different angles of incidence, a student measured the corresponding values angle of refraction r and angle of emergence e and recorded them in the table given below
$\begin{matrix} S . N O & ∠ i & ∠ i & ∠ e I & 30^{\circ} & 20^{\circ} & 31^{\circ} I I & 40^{\circ} & 25^{\circ} & 40^{\circ} I I I & 50^{\circ} & 31^{\circ} & 49^{\circ} \end{matrix}$
The correct observations are

Q. After tracing the path of rays of light through a glass slab for three different angles of incidence, a student measured the corresponding values angle of refraction r and angle of emergence e and recorded them in the table given below:

S.No.	$∠ i$	$∠ r$	$∠ e$
I	$30^{o}$	$20^{o}$	$31^{o}$
II	$40^{o}$	$25^{o}$	$40^{o}$
III	$50^{o}$	$31^{o}$	$49^{o}$

The correct observations are:

Q. A student traces the path of a ray of light passing through a rectangular glass slab and marks the angle of incidence i, angle of refraction r and angle of emergence e, as shown. The correctly marked angle(s) is /are:

Q. In your laboratory, you trace the path of light rays through a glass slab for different values of angle of incidence

(∠ i)

and in each case, measure the values of the corresponding angle of refraction

(∠ r)

and angle of emergence

(∠ e)

. Based on your observations, the correct conclusion is

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The correct option is A II

The correct option is A
I

I