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Physics

Showing 31-40 of 50 results

1. 'Light year' is related to?

(A) Speed
(B) Intensity of light
(C) Distance
(D) Energy
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3. Who was appointed as the new Director-General of International Atomic Energy Agency (IAEA) in December, 2009?

(A) Mohammed EI Baradei
(B) Yukiya Amano
(C) Mark Malloch Brown
(D) Koichiro Matsuuna
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4. Which of the following power systems provides the highest quantity of energy in India?

(A) Hydro-electric
(B) Nuclear
(C) Thermal
(D) Wind and tidal
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5. The most important source of commercial energy in India is?

(A) Petroleum
(B) Coal
(C) Electricity
(D) Atomic

6. Renewable sources of energy are important because?

(A) they are comparatively cheaper
(B) they are not likely to get exhausted
(C) they are likely to get exhausted
(D) they are useless for modern production technology
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7. Which of the following is not a source of geothermal energy?

(A) Geyser
(B) Hot Spring
(C) Coal
(D) Volcano ;

8. Insolation heats up land masses more quickly than the water bodies because?

(A) Water is liquid
(B) Landmasses are solid
(C) Water needs more energy to warm
(D) Rocks are bad conductors of heat
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9. The Sun releases its energy due to?

(A) Nuclear fission
(B) Nuclear fusion
(C) Conduction
(D) None of the above
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10. The main source of energy of the Sun is?

(A) fusion of heavy nuclei
(B) fusion of high nuclei
(C) fission of light nuclei
(D) · both fusion and fission
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