Explore topic-wise InterviewSolutions in .

Question 5

In the circuit shown below, when the switch is moved to ‘ON’ position,

(a) the bulb A will glow first.

(b) the bulb B will glow first.

(c) the bulb C will glow first.

(d) all bulbs will glow together.

A tank with specified dimensions as mentioned underneath, is used to store water. How much volume of water is stored, if the tank is half full?

Question 2 (iii)

Fill in the blank:

Motion of a child on a swing is ___.

When the volume of a fixed mass of gas is doubled

Choose the correct outcome when a South pole of a magnet is brought near the North pole of a freely suspended magnetic needle.

Is there friction in the atmosphere and the solar system ?

What are the necessary things required to see object?

Place a ringing bell in a closed jar and then remove air completely from the jar through vaccum pump. Can we hear the ringing sound. Give the reason. [3 MARKS]

When it rains, the water drops fall downwards towards Earth's surface. Which of the following forces is responsible for this?

Question 1 (i)

Fill in the blank in the following.
Artificial magnets are made in different shapes such as ___, ___ and
___.

Which of the following is a non-luminous object?

(a) sun

(b) star

(c) moon

(d) fire

What action is being applied to the character while hanging upside down?

Which of the following statements are correct about the force of friction?

1. It acts on all moving objects.

2. It opposes the relative motion between two objects in contact with each other.

3. It is a contact force.

1. What is rectilinear motion?
2. What is circular motion?
3. What is periodic motion?
​​​​​

Do planets emit their own light?

Which of the following gets attracted to a magnet?

The metal disc is the __________ terminal of the electric cell.

You spill a bucket of soapy water on a marble floor accidentally. Which of the following statement is correct?

What is mean by nebula

Scissors constitute of which simple machines?

A book placed on the desk is pushed to the right, in which direction will the force of friction act?

Question 1

Observe the shapes 1, 2, 3 and 4 in the figures. Which of the following statements is not correct?

(a) Shapes 1, 3 and 4 have different areas and different perimeters
(b) Shapes 1 and 4 have the same areas as well as the same perimeters
(c) Shapes 1, 2 and 4 have the same areas
(d) Shapes 1, 3 and 4 have the same perimeters

A 1 m rod has 4 points marked as given in the figure. If each segment is of equal measure, then what will be the measure of a single part?

The reason behind the formation of shadow and image are

Which among the following material cannot be used to make a magnet?

We need to conserve fossil fuels because:

Why we can not use clinical thermometer in the laboratory?

Q5)The four most distant quasars discovered recently-

The pupil of your eye is a net

With the help of which following device the cold drink bottle can be easily opened ?

What is the use of a kink in a clinical thermometer? Write the steps to measure the body temperature with a clinical thermometer? [5 MARKS]

Choose the correct option according to the angle between force and direction of displacement.

$$\begin{array}{cc}\text{Coloumn 1}& \text{Coloumn 2}\\ \text{1.}\theta \text{is zero}& \text{i) Work done is always zero}\\ 2.\theta \text{is less than}{90}^0& \text{ii)Work done is non-negative}\\ 3.\theta \text{is greater than}{90}^0& \text{iii) Work done is always positive}\\ 4.\theta \text{is}{90}^0& \text{iv) Work done is never positive}\end{array}$$

Red, orange, yellow, green, blue, indigo and violet lights combine to give _____.

A boy takes $2$ hours to reach his school from the house which is $3km$ away from it and takes $90$ minutes to come back from school to his house. Calculate the average speed of the boy.

Which shape will you use to create a circular shadow, if a torch is held in one way and rectangular shadow if the torch is held in another way? [3 MARKS]

Is rolling friction greater than sliding friction?