EASY
10th CBSE
IMPORTANT
Earn 100

Name some of the solar energy devices.

Important Questions on Sources of Energy

EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 3 - Sources of Energy>Very Short Answer Type Questions>Q 10
What type of reflector is used in a box-type solar cooker?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 3 - Sources of Energy>Very Short Answer Type Questions>Q 11
What is the range of temperature which can be achieved in a box-type solar cooker in two to three hours?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 3 - Sources of Energy>Very Short Answer Type Questions>Q 12
Name the device which converts sunlight into electricity. (Solar cell / solar cooker)
MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 3 - Sources of Energy>Very Short Answer Type Questions>Q 13
How much solar energy will be received by 1 m2 area in one hour if the solar constant be 1.4 kW/m2?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 3 - Sources of Energy>Short Answer Type Questions>Q 15
What is the difference between a thermal power plant and a hydro power plant? Which of the two causes serious air pollution and how?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 3 - Sources of Energy>Short Answer Type Questions>Q 16
Compare the sun and the fossil fuels as the sources of energy.
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 3 - Sources of Energy>Short Answer Type Questions>Q 17
What kind of mirror, concave, convex or plane, would be best suited for use in a solar cooker? Why?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 3 - Sources of Energy>Short Answer Type Questions>Q 18

Name that part of a box-type solar cooker which allows the sun’s heat rays to enter the box but does not allow inside heat to go out.

(Choose from- Glass sheet/ Absorption tray/ Cooking vessel)