Surface Tension - Viva Voice Questions With Answer | Physics Class 11

Viva Voice Question
Surface Tension - Viva Voice Questions with Answer
For: Science Class 11 ( Practical Exam )

Q.1: Define surface tension?

Ans. “The tangential cohesive force acting along the unit length of the surface of a liquid”

T = F / L

Where F = total force along a line

Spherometer - Viva Voice Questions with Answer | Physics Class 11

Viva Voice Question
Spherometer - Viva Voice Questions with Answer

For: Science Class 11 ( Practical Exam )

Q.1: Why the instrument is given the name “spherometer”?

Ans. Because it is used to determine the radius of curvature of a spherical surface.

Q.2: What is the pitch of a spherometer?

Ans. The distance covered by the circular disc in one complete rotation along the main scale. Mostly pitch of spherometer = 1 mm = 0.1 cm.

Vernier Calliper - Viva Voice Questions With Answer | Physics Practical Exam Grade XI

Viva Voice Questions
Vernier Calliper - Practical Exam Questions With Answer
For: Physics Class 11

Q.1: What is vernier calipers?

Ans. It is simple instrument by which length of an object can be measured accurately up to one-tenth of a millimeter or one-hundredth of a centimeter.

Q.2: What is the use of Vernier Scale?

Ans. To increase the accuracy of the main scale.

Q.3: What is least count (L.C.)?

Ans. The minimum measurement that can be taken by an instrument.

20+ Viva Voice Questions With Answers From Description of Flower

Biology | Practical Exam
20+ Viva Voice Questions with Answers from the Description of Flower
Class: 11

Q.1. What is a flower?

Ans. A modified shoot meant for reproduction is called flower.

Q.2. Which are the essential whorls of flower?

Ans. Androecium and gynoecium are the essential whorls of a flower.