Assertion: Smaller drops of liquid resist deforming forces better than the larger drops.

Reason: Excess pressure inside a drop is directly proportional to its surface area.

Both assertion and reason are true and the reason is the correct explanation of the assertion

Both assertion and reason are true but the reason is not the correct explanation of the assertion

Assertion is true but the reason is false

Explore topic-wise MCQs in Engineering Physics Questions and Answers.

This section includes 2 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Physics Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.

1.	Assertion: Smaller drops of liquid resist deforming forces better than the larger drops.
A.	Reason: Excess pressure inside a drop is directly proportional to its surface area.
B.	Both assertion and reason are true and the reason is the correct explanation of the assertion
C.	Both assertion and reason are true but the reason is not the correct explanation of the assertion
D.	Assertion is true but the reason is false
E.	Assertion and reason is false
Answer» D. Assertion is true but the reason is false

Discussion

2.	A metal plate 5cm×5cm rest on a layer of castor oil 1mm thick whose coefficient of viscosity is 1.55Nsm(-2). Find the horizontal force required to move the plate with a speed of 2 cms(-1).
A.	0.775N
B.	0.0577N
C.	0.0775N
D.	0.577N
Answer» D. 0.577N

Discussion

Explore topic-wise MCQs in Engineering Physics Questions and Answers.

Assertion: Smaller drops of liquid resist deforming forces better than the larger drops.

A metal plate 5cm×5cm rest on a layer of castor oil 1mm thick whose coefficient of viscosity is 1.55Nsm(-2). Find the horizontal force required to move the plate with a speed of 2 cms(-1).