Class X Science
Subject: Physics
Sources of Energy
Q. 1. Factors which decide whether the given fuel is a good fuel are(A) Heat it releases on burning
(B) Availability of the fuel
(C) Smoke produced by it on heating
(D) All of the above
Q. 2. Tehri Dam is constructed on the river
(A) Narmada
(B) Yamuna
(C) Ganga
(D) Mahanadi
Q. 3. The largest wind energy farm is established in
(A) Chennai
(B) Kanyakumari
(C) Madurai
(D) Kalpakkam
Q. 4. The value of solar constant is
(A) 1.8kW/m2
(B) 1.6kW/m2
(C) 1.4kW/m2
(D) 1.2kW/m2
Q. 5. The device which converts solar energy into electricity is
(A) Solar cell
(B) Electric motor
(C) Generator
(D) Solar cooker
Q. 6. More amount of heat energy can be produced in a solar cooker by using
(A) A plane mirror
(B) A convex mirror
(C) A concave mirror
(D) A glass plate
Q. 7. The energy from the hot water springs of the underground used to produce electrical energy that is Geo-thermal energy is operational in
(A) India
(B) New Zealand
(C) Africa
(D) Syria
Q. 8. What is the ultimate source of energy?
(A) Water
(B) Sun
(C) Uranium
(D) Fossil Fuel
Q. 9. The energy possessed by huge waves needed to generate electricity is :
(A) Solar energy
(B) Kinetic energy
(C) Potential energy
(D) Heat energy
Q. 10. The most common material used for making solar cell is
(A) Silicon
(B) Magnalium
(C) Bronze
(D) Aluminium
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