EASY
10th CBSE
IMPORTANT
Earn 100

What is solar constant? What is the value of solar constant?

Important Questions on Sources of Energy

MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 3 - Sources of Energy>Short Answer Type Questions>Q 23
If the energy received by 5 m2 area in 10 minutes is 4200 kJ, calculate the value of solar constant.
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 3 - Sources of Energy>Short Answer Type Questions>Q 24
How has the traditional use of energy of flowing water been modified for our convenience?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 3 - Sources of Energy>Short Answer Type Questions>Q 25
How has the traditional use of wind energy been modified for our convenience?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 3 - Sources of Energy>Long Answer Type Questions>Q 26
What is hydroelectricity? Explain the basic principle of generation of hydroelectricity with the help of a labelled diagram.
MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 3 - Sources of Energy>Long Answer Type Questions>Q 26
State two advantages of producing hydroelectricity.
MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 3 - Sources of Energy>Long Answer Type Questions>Q 26
State two disadvantages of producing hydroelectricity.
MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 3 - Sources of Energy>Long Answer Type Questions>Q 27
With the help of a labelled diagram, explain the construction and working of a solar cooker.
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 3 - Sources of Energy>Long Answer Type Questions>Q 27
Why is the solar cooker box painted black from inside?