English

Fill in the Blank Solar Cells Use the Power Supplied by The ______. - Geography

Advertisements
Advertisements

Question

Fill in the blank

Solar cells use the power supplied by the ______.

Fill in the Blanks

Solution

Solar cells use the power supplied by the Sunlight.

shaalaa.com
  Is there an error in this question or solution?
Chapter 11: Renewable and Non-renewable resources - Fill in the blanks

APPEARS IN

Oxford University Press Voyage Geography [English] Class 7
Chapter 11 Renewable and Non-renewable resources
Fill in the blanks | Q 2

RELATED QUESTIONS

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


 On what basis would you classify energy sources as
(a) renewable and non-renewable?
(b) exhaustible and inexhaustible?
Are the options given in (a) and (b) the same?


A non-renewable source of energy is:

(a) wood
(b) alcohol
(c) hydrogen gas
(d) natural gas


Write the full forms of CNG and LPG.


State one important use of CNG these days.


What is meant by conventional sources of energy? Write the names of two conventional sources of energy. 


Why is the leakage of LPG detected easily although it is odourless? State the steps to be taken in case its leakage is detected in the kitchen.


The main constituent of petroleum gas is:

(a) methane
(b) ethane
(c) butane
(d) propane 


LPG consists mainly of:

(a) butane
(b) ethane
(c) butanone
(d) methane


Fossil fuels are energy rich compounds of an element X which were originally made by the plants with help of sun's energy. 

Name another element which is usually found in combination with X in fossil fuels.


The pollution of air caused by burning petroleum fuels (like petrol and diesel) in vehicles can be controlled by fitting a device X in the exhaust system of vehicles. 

Name the device 


Compare the sun and the fossil fuels as the sources of energy. 


Answer the following question.
Write the name of the main constituent of Biogas. Also, state its percentage.


Write a short note on nuclear power.


Can you tell?

What are the non-conventional energy resources?


Can you tell?

Which forms of energy from the sun are used in solar energy devices?


Explain why is it no wise to regard wood as a renewable sources of energy.


Tidal energy is ______ type of energy.


Various materials which are obtained from nature are called natural resources. Which of the following is not a natural resource?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×