While performing the experiment on tracing the path of a ray of light through a rectangular glass slab, in which of the following experimental set-ups is a student likely to get best results ? $P_1$ and $P_2$ are the positions of pins fixed by him.

The best results will be obtained when the pins are placed at positions $P_1$ and $P_2$ as shown in figure II.

Question 341 markMCQSection B

$P_1$

Light — Reflection and Refraction

Reflection of Light

Options

(A)

I

(B)

II

(C)

III

(D)

IV

Official answer

P_1

rectangular glass slab

ray of light

pins

positions

Marking scheme

1. $I$
2. $II$
3. $III$
4. $IV$

Hint

$The correct answer is II because the pins are placed at the correct positions to trace the path of the ray of light through the rectangular glass slab.$

Quick oral answer

$The correct answer is II because the pins are placed at the correct positions to trace the path of the ray of light through the rectangular glass slab.$

Common mistakes

1. $placing pins at incorrect positions$
2. $not placing pins at all$

Analysis and explanation

The correct answer is II because the pins are placed at the correct positions to trace the path of the ray of light through the rectangular glass slab. In figure I, the pins are not placed at the correct positions, and in figures III and IV, the pins are not placed at all.

Interesting facts

$The path of the ray of light through the rectangular glass slab can be traced using pins.$

$The correct placement of pins is important to get accurate results.$

Question details

Q34 of 41 questions

Board: CBSE
Class: Class 10
Subject: Science
Year: 2012
Section: Section B
Marks: 1
Type: MCQ
Chapter: Light — Reflection and Refraction
Topic: $Reflection of Light$
Bloom's level: Knowledge
Syllabus topic: $Reflection of Light$

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Frequently asked questions

$How many marks does this question carry in CBSE Class 10 Science 2012?$

$This question carries 1 mark in the CBSE Class 10 Science 2012 examination.$

$Which chapter does this question come from in Science?$

$This question is from the chapter "Light — Reflection and Refraction" in the CBSE Class 10 Science syllabus.$

$What topic does this question cover in Science?$

$This question covers the topic "Reflection of Light" from CBSE Class 10 Science.$

$What type of question is this in the CBSE Class 10 Science 2012 paper?$

$This is a MCQ question from Section B in the CBSE Class 10 Science 2012 paper.$