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Worksheetsscience CH-11 LIGHT
Total questions: 15
Worksheet time: 10mins
Which of the following is a false?
All objects cast shadows.
Mirror changes direction of light that falls on it
image in a plane mirror is of the same size and colour as that of the object.
Coloured objects form coloured shadows
What is true about reflection from plane mirror?
The image formed by plane mirror is erect and virtual.
Size of the image formed by plane mirror is equal to the size of the object.
The distance of the image behind the plane mirror is equal to the distance of the object from the mirror.
All the above
Which of the following is sources of artificial light?
electric bulb
Candle
All the above
Torch
What is lateral inversion?
Image looks shorter in size
Image looks larger in size
The right side of the object appears to be the left side of its image and vice-versa
None of the above
Two statement are given
Statement A: We cannot see our image in the mirror in complete dark room because there is no light to reflect.
Statement B: We cannot see objects through T shaped pipe because light travels through straight line
Statement A is correct only
Statement B is correct only
Statement A and B both are incorrect
Statement A and B both are correct
Which of the following emits light?
A book
A bat
A rat
A glow worm
Which of the following are non-luminous bodies?
(i) A planet(ii) A star(iii) A metal strip(iv) A burning candle
Only (i) and (ii)
Only (ii) and (iii)
Only (i) and (iii)
Only (ii) and (iv)
Identify translucent objects given in the box.
(i) Ground glass(ii) Ice(iii) Wood
Only (i) and (ii)
Only (ii) and (iii)
Only (i) and (iii)
All the three
How does light travel?
Rectilinear propagationdone
Random motion
Curvilinear motion
Circular motion
The sun is a (a) source of light.
How does light travel?
(a)
What is true about shadows and images?
Shadows are always black in colour.
Shadows are formed because light travels in straight line.
Images shows the colour of the objects
All the above
Which of the following is a false?
Pinhole camera produces an erect image.
Pinhole Camera produces a shadow
Pinhole Camera produces an image
Pinhole Camera produces an inverted image
What is required to create the pinhole camera?
Cardboard
mirrors
lens
tracing paper
Pinhole camera produces an ?
Pinhole camera produces an ?An erect and small image
an erect and enlarged image
an Inverted and small image
An inverted and enlarged image
