set 2 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general science mcq - 2 EXERCISES
The following question based on force of gravity, solids and fluids topic of general science mcq
(a) because acceleration in the orbit is equal to acceleration of gravity outside
(b) due to the face that space craft has no energy
(c) due to the absence of gravity inside
(d) their is no gravity outside
The correct answers to the above question in:
Answer: (a)
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Read more physics concept Based General Science Questions and Answers
Question : 1
Purity of a metal can be determined with the help of
a) Archimedes principle
b) Boyle's law
c) Pascal's law
d) Conservation of mass principle
Answer »Answer: (a)
Question : 2
Dirty cloths containing grease and oil stains are cleaned by adding detergents to water. Stains are removed because detergent
a) increases the viscosity of water and oil
b) increases the surface tension between water and oil
c) reduces drastically the surface tension between water and oil
d) decreases the viscosity in detergent mixed water
Answer »Answer: (c)
Question : 3
Kerosene oil rises up in a wick of lantern because of
a) diffusion of oil through the wick
b) buoyant force
c) capillarity
d) None of the above
Answer »Answer: (c)
Question : 4
Consider the following statements: A body weighs less at the equator than at the poles because:
- earth rotates about its axis.
- the ice cap at the poles increases gravitational pull.
- equatorial diameter is greater than the polar diameter.
- of some unknown facts.
a) 1 and 3
b) 3 only
c) 1 and 2
d) 4 only
Answer »Answer: (b)
Question : 5
If the radius of the earth were to shrink by one percent, its mass remaining the same, the value of g on the earth’s surface would:
a) decrease by 0.5%
b) increase by 2%
c) increase by 0.5%
d) decrease by 2%
Answer »Answer: (b)
Question : 6
Consider the following statements:
- The gravitational force exerted by the sun on the moon is greater than the gravitational force exerted by the earth on the moon.
- A heavy body falls at a faster rate than a light body in vacuum.
a) Both 1 and 2
b) 2 only
c) 1 only
d) Neither 1 nor 2
Answer »Answer: (c)
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