Assertion [A]: An iron ball floats on mercury but gets immer – McqOptions

MCQOPTIONS

1.	Assertion [A]: An iron ball floats on mercury but gets immersed in water.Reason [R]: The specific gravity of iron is more than that of mercury. [IAS Prelim]
A.	Both A and R are true and R is the correct explanation of A
B.	Both A and R are true but R is not a correct explanation of A
C.	A is true but R is false
D.	A is false but R is true
Answer» D. A is false but R is true

Discussion

No Comment Found

Related MCQs

Why is sound heard with more intensity through \[C{{O}_{2}}\] than through the air? [NDA]
Which one of the following properties distinguishes ultrasound from normal audible sound? [NDA]
Assertion [A]: In a pressure cooker food is cooked above boiling point.Reason [R]: Boiling point of water increases as the pressure increases. [CDS]
The sound from an open pipe is more pleasant than the sound from a closed pipe. This is because:
Which one of the following is the mode of heat transfer in which warm material is transported so as to displace a cooler material? [NDA]
Which one among the following statements about thermal conductivity is correct? [NDA]
Cloudy nights are warmer compared to clear cloudless nights, because clouds: [IAS Prelim]
Mr X was advised by an architect to make outer walls of his house with hollow bricks. The correct reason is that such walls [CDS]
Why are inner lining of hot water geysers made up of copper? [CDS]
The simple harmonic motion of a particle is given by y = 3 sin \[\omega \,t\]+ 4 cos\[\omega \,t\]. Which one of the following is the amplitude of this motion? [NDA]