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Subject: Science, asked on 29/1/18

Geothermal energy can be harnessed throughout the year for 24 hours, right?

Subject: Science, asked on 29/1/18

Q15.
What difference is there on area for inclined and flat surface if there is same base and height??
Q.15. Write the special technique used for mounting solar cell panels. Mention its advantages.
Ans. The solar cell panels are mounted on specially designed inclined roof so that more solar energy is incident over it.

Subject: Science, asked on 25/1/18

What is a nuclear chain reaction?

Subject: Science, asked on 25/1/18

Is nuclear energy considered a renewable or non-renewable source of energy?

Subject: Science, asked on 25/1/18

Name some elements that undergo nuclear fission.

Subject: Science, asked on 25/1/18

What are the advantages of using solar cells over solar heating devices?

Subject: Science, asked on 25/1/18

Can we completely depend upon solar energy for our energy requirents? Give reasons.

Subject: Science, asked on 25/1/18

Name the forms in which we receive solar energy.

Subject: Science, asked on 25/1/18

Can tidal energy be considered a potential source of energy? Explain/ give reasons.

Subject: Science, asked on 25/1/18

What is a a)windmill?
b) wind farm?

Subject: Science, asked on 25/1/18

Name two indirect ways of using solar energy.

Subject: Science, asked on 25/1/18

Geothermal energy isnt derived from solar energy, right??

Subject: Science, asked on 25/1/18

Name some sources of energy used in ancient times.

Subject: Science, asked on 25/1/18

What is energy?

Subject: Science, asked on 16/1/18

A family consumes 10kg of kerosene oil in 30 days. Find the average energy consumption in a day if CV of kerosene oil is 45 KJ/gm.

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