Physics

Q.

Name the planet closest to the Sun.

1. Pluto
2. Stars
3. Mercury
4. Neptune

Q.

During an experiment, a signal from a spaceship reached the ground station in five minutes. What was the distance of the spaceship from the ground station? The signal travels at the speed of light, that is, $3\times {10}^{8}m{s}^{-1}$

Q.

(1) Name five things which can roll. (2) Name five things which can slide. (3)Name five things which can both roll and slide.

Q. Sun rises in the East and sets in the West because Earth rotates about its axis from to.

1. West
2. South
3. East
4. North

Q.

Who is known as the father of physics?

Q. Which of the following sets cannot enter into the list of fundamental quantities in any system of units?

1. Length, Mass and Velocity
2. Length, Time and Velocity
3. Mass, Time and Velocity
4. Length, Time and Mass

Q.

What are physical quantities?

Q.

Define derived quantity with example.

Q.

$1km$ equals to how many $metres$?

Q.

What is the meaning of magnitude in physics?

Q. Joseph jogs from one end A to the other end B of a straight 300 m road in 2 minutes 50 seconds and then turns around and jogs 100 m back to point C in another 1 minute. What are Joseph’s average speeds and velocities in jogging (a) from A to B and (b) from A to C?

Q.

What are the 4 properties of magnets?

Q. Why do current flows from positive terminal to negative terminal but electrons flow from negative to positive terminal

Q.

Define unit?

Q. Explain the difference between a transparent, translucent and an opaque medium. Give two examples of each.

Q.

What are Natural Sources Of Light? Give Examples.

Q.

What is rigidity?

Q.

Five advantages and disadvantages of water transport

Q.

What is atmospheric pressure?

Q.

What are the advantages and disadvantages of Friction?

Q.

How do you convert grams to kilograms?

Q. Define the terms: a ray of light and a beam of light.

Q.

Give five differences between fundamental quantity and derived quantity.

Q. Which of the following mirror is used as a rear view mirror in a vehicle?

1. Concave mirror
2. Plane mirror
3. Convex mirror
4. Normal mirror

Q.

What is definition of insulator and conductor

Q.

How much time did light from sun take to reach the earth

Q.

What are the methods of reducing friction?

Q.

What is the difference between uniform linear motion and uniform circular motion explained? with examples

Q. Electric bulb was invented by ______.

1. Thomas Alva Edison
2. Albert Einstein
3. Isaac Newton
4. Louis Pasteur

Q.

What is an image?