Following figure illustrates the ray diagram for the formation of images by a concave mirror. The position of the object is beyond the centre of curvature of the concave mirror. On the basis of the given diagram, answer the questions.
In case of a concave mirror, the image distance is _________ when image is formed in front of the mirror and _________________ when the image is formed behind the mirror.
Following figure illustrates the ray diagram for the formation of images by a concave mirror. The position of the object is beyond the centre of curvature of the concave mirror. On the basis of the given diagram, answer the questions.
A negative sign in the magnification value indicate that the image is ____________
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Read the following passage and answer the questions.
A student wants to project the image of a candle flame on the walls of the school laboratory by using a mirror.
Which type of mirror should he use and why?
Read the following passage and answer the questions.
A student wants to project the image of a candle flame on the walls of the school laboratory by using a mirror.
To get the diminished image of the candle flame, the object must be placed at:
Read the following passage and answer the questions.
A student wants to project the image of a candle flame on the walls of the school laboratory by using a mirror. A virtual image formed by concave mirror is:
Read the following passage and answer the questions.
A student wants to project the image of a candle flame on a screen 60 cm in front of a mirror by keeping the flame at a distance of 15 cm from its pole.
Find the linear magnification of the image produced.
Read the following passage and answer the questions.
A student wants to project the image of a candle flame on a screen 30 cm in front of a mirror by keeping the flame at a distance of 15 cm from its pole.
What is the distance between the object and its image?
Read the passage and note the following observations. Answer the questions.
A student focussed the image of a candle flame on a white screen by placing the flame at various distances from a convex lens. He noted his observations as:
From the above table, find the focal length of lens without using lens formula:
Read the passage and note the following observations. Answer the questions.
A student focussed the image of a candle flame on a white screen by placing the flame at various distances from a convex lens. He noted his observations as:
In which case, the size of the object and image will be same:
Read the passage and note the following observations. Answer the questions.
A student focussed the image of a candle flame on a white screen by placing the flame at various distances from a convex lens. He noted his observations as:
Which of the following statement is false for the formation of images by convex lens:
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23 videos|67 docs|58 tests
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