Sanjoy Kumar Basak Solutions for Chapter: Energy, Exercise 5: EVALUATION

Author:Sanjoy Kumar Basak

Sanjoy Kumar Basak Physics Solutions for Exercise - Sanjoy Kumar Basak Solutions for Chapter: Energy, Exercise 5: EVALUATION

Attempt the free practice questions on Chapter 3: Energy, Exercise 5: EVALUATION with hints and solutions to strengthen your understanding. FRANK NEW CERTIFICATE - Physics solutions are prepared by Experienced Embibe Experts.

Questions from Sanjoy Kumar Basak Solutions for Chapter: Energy, Exercise 5: EVALUATION with Hints & Solutions

EASY
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Physics>Chapter 3 - Energy>EVALUATION>Q 1

Define energy. What is its SI unit?

EASY
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Physics>Chapter 3 - Energy>EVALUATION>Q 2

State the law of conservation of energy.

MEDIUM
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Physics>Chapter 3 - Energy>EVALUATION>Q 3

What are the two types of sources of energy? Give one example of each.

EASY
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Physics>Chapter 3 - Energy>EVALUATION>Q 4

What do you mean by transformation of energy?

EASY
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Physics>Chapter 3 - Energy>EVALUATION>Q 5

Define conservation of energy.

MEDIUM
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Physics>Chapter 3 - Energy>EVALUATION>Q 1

How do we hear sound?

MEDIUM
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Physics>Chapter 3 - Energy>EVALUATION>Q 2

Write four ways by which we can conserve energy.

HARD
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Physics>Chapter 3 - Energy>EVALUATION>Q 1

Why are floating generators used in the sea?