QUESTIONS

Author:Pankaj Bhatt

Pankaj Bhatt Physics Solutions for Exercise - QUESTIONS

Simple step-by-step solutions to QUESTIONS questions of Spectrum and Colours from S CHAND'S ICSE PHYSICS BOOK 2. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.

Questions from QUESTIONS with Hints & Solutions

MEDIUM
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 6 - Spectrum and Colours>QUESTIONS>Q 11

State any two properties of UV rays.

MEDIUM
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 6 - Spectrum and Colours>QUESTIONS>Q 12

State any two properties of infrared waves.

MEDIUM
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 6 - Spectrum and Colours>QUESTIONS>Q 13

What are microwaves? Write any two uses of these waves.

MEDIUM
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 6 - Spectrum and Colours>QUESTIONS>Q 14

Why is the infrared light used in long distance photography?

MEDIUM
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 6 - Spectrum and Colours>QUESTIONS>Q 15

When an invisible radiation is focused on a bulb of a thermometer, its temperature rises. Name the radiation.

MEDIUM
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 6 - Spectrum and Colours>QUESTIONS>Q 16

What are the two types of radio waves used in communication?

MEDIUM
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 6 - Spectrum and Colours>QUESTIONS>Q 17

Why is the rock-salt prism or lens used to focus infrared light?

MEDIUM
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 6 - Spectrum and Colours>QUESTIONS>Q 18

Why UV bulbs have quartz envelope instead of a glass?