Relative density of an object is less than 1 then it ……………..
A) floats in water
B) sinks in water
C) both
D) none of these
1 Answers
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The real image formed by a concave mirror is larger than the object when the object is ……………..
C) between focus and centre of curvature
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The image formed by a concave mirror is observed to be virtual, erect and larger than the object. Where should be the position of the object ?
A) Between the pole of the mirror and its principal focus
2 Answers 9 views
Assertion (A) : weight of an object is less on moon then earth Reason (R): earth is heavier than moon
B) Both A and R are correct, R is not the correct explanation of A
2 Answers 1 views
An object floats on the surface of a liquid when A) the density of the object is more than the density of liquid
B) the density of the object is less than the density of the liquid
2 Answers 1 views
Relative density of an object = A) Density of the object/density of water
A) Density of the object/density of water
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The objects with relative density greater than 1 ………… water.
Correct option is D) can’t say
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Relative density of an object = ……………… A) density of water/density of object
B) \(\cfrac{density \,of \,object}{density \,of \,water}\)
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The relative density of an object is greater than 1, then the object ……………. in water.
Correct option is B) sinks
2 Answers 1 views
What happens if water is mixed with milk? A) The density of the mixture is less than the density of milk
B) The density of the mixture is more than the density of milk
2 Answers 2 views
a) When the surface of one object moves relative to the surface of another object, static friction exerts,
D) both a and b are false
2 Answers 1 views