Physics 10th - Question Answers
Q.1: Define Circular Motion and Give Any Two Examples.
Ans: Circular Motion: When a body moves along the circumference of a circle, it is called circular motion.
Examples:
Physics 10th - Question Answers
Q.1: Define Parallel Forces?
Ans: Parallel forces can be defined as: “When a number of forces act on a body and if their directions are parallel, they are called parallel forces.”
Physics 10th - Question Answers
CHAPTER # 05: VECTORS
Q.1: Define scalar and vector quantities and give five examples of each?
Ans:
Scalar Quantities: Physical quantities which have magnitude and units but there is no need of direction to describe them are called scalar quantities. Scalar quantities can be solved by simple arithmetic rules. They can add, subtract, multiply, and divide easily.
Examples: Mass, length, time, speed, distance, volume, temperature, heat, energy, pressure, power, etc.
Physics 10th - Question Answers
MOTION AND FORCE
Chapter # 04
Q.1: Define force. Write down its formula and units. Also write down the factors on which force depends?
Ans: FORCE:
Force is that agent which changes or tends to change the state of rest or of motion of a body. It can also distort or tends to distort the shape of a body to which it is applied. It is denoted by . It is a vector quantity.
Physics 10th - Question Answers
KINEMATICS OF LINEAR MOTION
Chapter # 03
Q.1: Define rest?
Ans: REST:
A body is said to be in the state of rest if it does not change its position with respect to its surroundings.
Physics 10th - Question Answers
MEASUREMENT
Chapter # 02
Q.1: What is measurement? What is the importance of measurement?
Ans: MEASUREMENT:
The meaning of measurement is the comparison of an unknown quantity with a standard, to see how many times it is big or small as compared to the standard.
Physics 10th - Question Answers
INTRODUCTION TO PHYSICS
Chapter # 01
Q.1: What is Physics? Write the name of branches of Physics and explain them?
Ans: PHYSICS:
Physics is defined as a science which deals with the interaction of matter and energy.
OR
It is the branch of science which deals with physical properties, behavior of matter and bodies. Nowadays, Physics deals with the production of energy and their mutual relationship.
