Pinhole Camera

Q. Why is the image formed in a pinhole camera is inverted?

1. Light can reflect from a surface
2. Screen of the pinhole camera is inverted
3. Light travels at a very high speed
4. Due to rectilinear propagation of light

Q. What is a pinhole camera

Q. Pinhole camera forms an image that is _________.

1. real and inverted
2. virtual and erect
3. virtual and inverted
4. real and erect

Q. Function of pinhole camera

Q. The butter paper can be used as which component in a pinhole camera?

1. Light source
2. Screen
3. Object
4. Covering material

Q. Why cannot we see upside down image of the sun through a pinhole camera?

1. A pinhole camera can only make point size images.
2. Sun is spherical in shape and symmetric.
3. The screen of the pinhole camera is inverted.
4. An object like the sun which is infinite in size, forms point size or highly diminished images.

Q.

Principle on which pinhole camera is based

Q.

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

Q. Small pinholes in the leaves of a tree form images of the sun on flat surfaces. On a normal sunny day, what is the shape of the image formed by a leaf?

1. Hollow ring
2. Crescent
3. Square
4. Circular

Q.

A pinhole camera consists of a lens.

1. True

2. False

Q.

Image formed in a pinhole camera is inverted. Why?

1. Because of the rectilinear propagation of light.

2. Because of reflecting property of the light

3. None of these

4. Because of high speed of light

Q.

Using a pinhole camera, the image of the following tree is captured.

How will the image look?

1. 

2. 

3. 
   

4. 
   

Q.

When is the height of the image equal to the height of the object in a pinhole camera?

Q.

The image formed by a pinhole camera is always _____.

1. erect
   

2. inverted
   

3. larger than the object
   

4. same size as the object

Q. State the effect on the image formed by a pinhole camera if the object is moved towards the pinhole.

1. Its size increases
2. Its size decreases
3. A pinhole camera can never form images
4. Its size remains the same

Q. What will be the colour of a red ball when viewed through a pinhole camera?

1. Yellow colour

2. White colour

3. Black colour

4. Red colour

Q. A. Define the terms: a ray of light and a beam of light.
B. State two factors which affect the size of the image formed in a pinhole camera.

Q. Which of the following acts as natural pinhole camera?

1. Water droplets
2. Gaps between the leaves
3. Branches of a tree
4. None of the above

Q. State the effect on the image formed by a pinhole camera if the length of the pinhole camera is increased.

Q.

Shaunak does not know that what type of image is formed by the pinhole camera. Shaurya stated two statements:

Statement 1: The image formed by the pinhole camera is real and erect.

Statement 2: Image formed by the pinhole camera is real because there is refracting or reflecting optical elements to change the path of rays of light.

1. Only Statement 1 is correct

2. Only Statement 2 is correct

3. Both the Statements are correct

4. Both the statements are wrong

Q. Using a pinhole camera, an image of the given tree is captured.

How will it look? Choose the correct image.

1. 
2. 
3. 
4. 

Q. (a)What is Pinhole Camera? Draw a neat and labelled diagram to show the formation of image of a lighted candle by it.

(b) Explain the formation of image of a luminous object in a pinhole camera.

Q. Using a pinhole camera, the images of two boys wearing yellow and red shirts are obtained. Which of the following is true about their images?

1. Colour of their shirts will interchange.
2. Colour of their shirts will become orange.
3. Colour of their shirts will not change.
4. Shirts will become colourless.

Q. Why the image is inverted in a pin hole camera?Explain

Q. Choose the correct option with respect to the following statements:

Statement 1: The image formed by the pinhole camera is real and erect.

Statement 2: Image formed by the pinhole camera is real because there is refracting or reflecting optical elements to change the path of rays of light.

1. Only Statement 1 is correct

2. Only Statement 2 is correct

3. Both the statements are wrong

4. Both the Statements are correct

Q. If the size of the hole in a pinhole camera is increased, a blurred image is formed.

1. True
2. False

Q.

Can a virtual image be obtained on the screen?

Q.

Where does an image form in pinhole camera?

Q.

Image formed in a pinhole camera is inverted. Why?

1. Because of the rectilinear propagation of light.

2. Because of reflecting property of the light

3. None of these

4. Because of high speed of light

Q. Which of the following is true for the image formed by a pinhole camera in the following case?

1. 
2. 
3. 
4.