The relative density of an object is greater than 1, then the object ……………. in water.
A) floats
B) sinks
C) both A and B
D) none of these
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In method of mixtures, why is it essential that density of solid sample be greater than the liquid in calorimeter?
1. In method of mixtures, solid sample gives away heat to liquid, and heat exchange between, solid, liquid and calorimeter is considered as isolated. 2. If density of solid sample is...
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Refractive index of glass relative to water is 9/8. The refractive index of water relative to glass is …………………
Correct option is D) 8/9
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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
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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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Relative density of an object is less than 1 then it ………
B) sinks in water
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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
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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
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Assertion `(A): beta-` particles have greater penetrating power than `alpha-` rays but less than `gamma-`rays. Reason `(R) : beta-` particles are ligh
Correct Answer - A Refer Section
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