1
AIIMS 2019
MCQ (Single Correct Answer)
+1
-0.33

In an isothermal process 2 water drops of radius $$1 \mathrm{~mm}$$ are combined to form a bigger drop. Find the energy change in this process if $$T=0.1 \mathrm{~N} / \mathrm{m}$$.

A
$$1 \mu \mathrm{J}$$
B
$$0.5 \mu \mathrm{J}$$
C
$$0.25 \mu \mathrm{J}$$
D
$$0.75 \mu \mathrm{J}$$
2
AIIMS 2019
MCQ (Single Correct Answer)
+1
-0.33

Assertion : Water drops take spherical shape when falling freely.

Reason : Water has minimum surface tension among all liquids.

A
If both assertion and reason are true and reason is the correct explanation of assertion.
B
If both assertion and reason are true, but reason is not the correct explanation of assertion.
C
If assertion is true, but reason is false.
D
If both assertion and reason are false.
3
AIIMS 2019
MCQ (Single Correct Answer)
+1
-0.33

Assertion : Sometimes insects can walk on water.

Reason : The gravitational force on insect is balanced by force due surface tension.

A
If both assertion and reason are true and reason is the correct explanation of assertion.
B
If both assertion and reason are true, but reason is not the correct explanation of assertion.
C
If assertion is true, but reason is false.
D
If both assertion and reason are false.
4
AIIMS 2018
MCQ (Single Correct Answer)
+1
-0.33

Assertion Smaller drop of water resist deformation forces better than the larger drops.

Reason Excess pressure inside drop is inversely proportional to its radius.

A
Both Assertion and Reason are correct, Reason is the correct explanation of Assertion
B
Both Assertion and Reason are correct but Reason is not the correct explanation of Assertion
C
Assertion is correct and Reason is incorrect
D
Assertion is incorrect and Reason is correct
AIIMS Subjects
EXAM MAP