Sunil Batra Solutions for Chapter: Sound, Exercise 4: HOTS Higher Order Thinking Skill & Brain Twisting

Author:Sunil Batra

Sunil Batra Physics Solutions for Exercise - Sunil Batra Solutions for Chapter: Sound, Exercise 4: HOTS Higher Order Thinking Skill & Brain Twisting

Attempt the free practice questions on Chapter 6: Sound, Exercise 4: HOTS Higher Order Thinking Skill & Brain Twisting with hints and solutions to strengthen your understanding. Modern's abc+ Of Science - Physics For Class IX solutions are prepared by Experienced Embibe Experts.

Questions from Sunil Batra Solutions for Chapter: Sound, Exercise 4: HOTS Higher Order Thinking Skill & Brain Twisting with Hints & Solutions

EASY
9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 6 - Sound>HOTS Higher Order Thinking Skill & Brain Twisting>Q 1

Is the speed of wave motion same in all directions?

MEDIUM
9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 6 - Sound>HOTS Higher Order Thinking Skill & Brain Twisting>Q 2

What are the conditions to get echo?

MEDIUM
9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 6 - Sound>HOTS Higher Order Thinking Skill & Brain Twisting>Q 3

Why do we prefer ultrasonic sound over other frequencies like X-rays for medical applications?

EASY
9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 6 - Sound>HOTS Higher Order Thinking Skill & Brain Twisting>Q 4

Why are we able to hear the horn of an approaching car before the car reaches us?

EASY
9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 6 - Sound>HOTS Higher Order Thinking Skill & Brain Twisting>Q 5

Why is flash of lightning from clouds seen much before the thunder, although both occur simultaneously?

MEDIUM
9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 6 - Sound>HOTS Higher Order Thinking Skill & Brain Twisting>Q 6

A human heart, on an average, is found to beat 75 times in a minute. Calculate its frequency.