ICSE ICSE Class 6 - CISCE Question Bank Solutions for Physics

Fill in the blank.

In a pinhole camera, the image formed is ...............

Select the correct alternative.

The formation of inverted image in a pinhole camera shows that

How can you obtain a point source of light?

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

What is a pinhole camera? Draw a neat and labelled diagram to show the formation of an image of a lighted candle by it.

Explain the formation of the image of a luminous object in a pinhole camera with the aid of a neat diagram.

State two factors that affect the size of the image formed in a pinhole camera.

Is the image obtained in a pinhole camera erect or inverted? Give reason for your answer.

How is the image affected in a pinhole camera when another fine hole is made near the first pinhole?

State the effect on the image in a pinhole camera if the hole is made bigger.

State the effect on the image in a pinhole camera if the luminous object is moved towards the pinhole.

State the effect on the image in a pinhole camera if The length of the pinhole camera is increased (length the screen is moved away from the pinhole).

Tick the correct answer.

The image formed in a pinhole camera is

Fill in the blank

Pinhole camera is based on the ................... propagation of light.

Write true or false

Image formed in a pinhole camera is erect.

Why does a freely suspended magnet always rest in a north-south direction?

Describe an experiment to show that the maximum attractive property is at the poles of a magnet?

Define the term magnetic field of a magnet. How will you recognize it experimentally?

What care would you take to increase the life span of a machine which you use?

Answer the following.

What is a machine?