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Astronomy and Space Science

13. 

When an object is transferred from the moon to the earth

A. its weight decreases and its mass increases on the earth B. its weight increases and its mass decreases on the earth C. its weight and mass remain constant on the earth D. its weight increases and its mass remans constant on the earth

Answer : D. its weight increases and its mass remans constant on the earth

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14. 

The weight of the body at the centre of the earth is

A. zero B. infinite C. slightly less than at the poles D. slightly less than at the equator

Answer : A. zero

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15. 

If an object weighs 60 kgm-wt on earth, its weight on the surface of the moon will be

A. 360 kgm-wt B. 0 kgm-wt C. 10 kgm-wt D. 6 kgm-wt

Answer : C. 10 kgm-wt

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16. 

GSLV project of india is connected to

A. agriculture development B. conservation of river water C. banking system D. missile engines for space programmes

Answer : D. missile engines for space programmes

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17. 

cryogenic engine find application in

A. sub-marine propulsion B. frost-free refrigerator C. rocket technology D. researches in super conductivity

Answer : C. rocket technology

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18. 

The animal which was sent on to the space in rockets for the first time

A. Monkey B. dog C. cat D. rat

Answer : B. dog

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