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Brinda
Brinda
Asked: December 6, 2020In: Class 10 Science

Compare and contrast bio-mass and hydroelectricity as sources of energy.

NCERT Solution for Class 10 Science Chapter 14 Sources of Energy NCERT Books for Session 2020-2021 CBSE Board and UP Board Exercises Questions Page No-255 Questions No-5

2020-2021cbsechapter 14class 10 scienceclass10ncertsciencesources of energy
  • 3 3 Answers
  • 254 Views
  • 14 Votes
  • 1
Answer
Brinda
Poll
Brinda
Asked: December 6, 2020In: Class 10 Science

Most of the sources of energy we use represent stored solar energy. Which of the following is not ultimately derived from the Sun’s energy?

NCERT Solution for Class 10 Science Chapter 14 Sources of Energy NCERT Books for Session 2020-2021 CBSE Board and UP Board Exercises Questions Page No-255 Questions No-3

2020-2021cbsechapter 14class 10 scienceclass10ncertsciencesources of energy
  • 2 2 Answers
  • 208 Views
  • 13 Votes
  • 1
Answer
Himanshu Chaturvedi
Himanshu Chaturvedi
Asked: October 30, 2020In: Class 10

Can any source of energy be pollution-free? Why or why not?

NCERT Solution for Class 10 Science Chapter 14 Sources of Energy NCERT Books for Session 2020-2021 CBSE Board and UP Board Intext Questions Page No-253 Questions No-1

2020-2021cbsechapter 14class10ncertsciencesources of energy
  • 2 2 Answers
  • 144 Views
  • 2 Votes
  • 1
Answer
Himanshu Chaturvedi
Himanshu Chaturvedi
Asked: October 30, 2020In: Class 10

Hydrogen has been used as a rocket fuel. Would you consider it a cleaner fuel than CNG? Why or why not?

NCERT Solution for Class 10 Science Chapter 14 Sources of Energy NCERT Books for Session 2020-2021 CBSE Board and UP Board Intext Questions Page No-253 Questions No-2

2020-2021cbsechapter 14class10ncertsciencesources of energy
  • 2 2 Answers
  • 109 Views
  • 2 Votes
  • 1
Answer
Himanshu Chaturvedi
Himanshu Chaturvedi
Asked: October 30, 2020In: Class 10

Name two energy sources that you would consider to be renewable. Give reasons for your choices.

NCERT Solution for Class 10 Science Chapter 14 Sources of Energy NCERT Books for Session 2020-2021 CBSE Board and UP Board Intext Questions Page No-254 Questions No-1

2020-2021cbsechapter 14class10ncertsciencesources of energy
  • 2 2 Answers
  • 431 Views
  • 2 Votes
  • 1
Answer
Himanshu Chaturvedi
Himanshu Chaturvedi
Asked: October 30, 2020In: Class 10

Give the names of two energy sources that you would consider to be exhaustible. Give reasons for your choices.

NCERT Solution for Class 10 Science Chapter 14 Sources of Energy NCERT Books for Session 2020-2021 CBSE Board and UP Board Intext Questions Page No-254 Questions No-2

2020-2021cbsechapter 14class10ncertsciencesources of energy
  • 2 2 Answers
  • 100 Views
  • 2 Votes
  • 1
Answer
Himanshu Chaturvedi
Poll
Himanshu Chaturvedi
Asked: October 30, 2020In: Class 10

A solar water heater cannot be used to get hot water on

NCERT Solution for Class 10 Science Chapter 14 Sources of Energy NCERT Books for Session 2020-2021 CBSE Board and UP Board Exercises Questions Page No-254 Questions No-1

2020-2021cbsechapter 14class10ncertsciencesources of energy
  • 2 2 Answers
  • 72 Views
  • 2 Votes
  • 1
Answer
Himanshu Chaturvedi
Poll
Himanshu Chaturvedi
Asked: October 30, 2020In: Class 10

Which of the following is not an example of a bio-mass energy source?

NCERT Solution for Class 10 Science Chapter 14 Sources of Energy NCERT Books for Session 2020-2021 CBSE Board and UP Board Exercises Questions Page No-255 Questions No-2

2020-2021cbsechapter 14class10ncertsciencesources of energy
  • 2 2 Answers
  • 92 Views
  • 2 Votes
  • 1
Answer
Samika Sharma
Samika Sharma
Asked: October 30, 2020In: Class 10

Compare and contrast fossil fuels and the Sun as direct sources of energy.

NCERT Solution for Class 10 Science Chapter 14 Sources of Energy NCERT Books for Session 2020-2021 CBSE Board and UP Board Exercises Questions Page No-255 Questions No-4

2020-2021cbsechapter 14class10ncertsciencesources of energy
  • 3 3 Answers
  • 102 Views
  • 1 Vote
  • 1
Answer
Samika Sharma
Samika Sharma
Asked: October 30, 2020In: Class 10

What are the limitations of extracting energy from the wind?

NCERT Solution for Class 10 Science Chapter 14 Sources of Energy NCERT Books for Session 2020-2021 CBSE Board and UP Board Exercises Questions Page No-255 Questions No- 6 Part A

2020-2021cbsechapter 14class10ncertsciencesources of energy
  • 3 3 Answers
  • 70 Views
  • 1 Vote
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