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प्रश्न
An image that cannot be obtained on a screen is called ______.
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उत्तर
An image that cannot be obtained on a screen is called virtual image.
Explanation:
A virtual image is formed by diverging light rays and appears to be located behind the lens or mirror, making it impossible to project onto a screen.
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संबंधित प्रश्न
A student used a device (X) to obtain/focus the image of a well illuminated distant building on a screen (S) as shown below in the diagram. Select the correct statement about the device (X).
What kind of mirror is required for obtaining a virtual image of the same size as the object?
Explain the following term:
Incident ray
Draw diagram/diagrams to show them.
Name the kind of mirror used to obtain:
A real and diminished image.
What is meant by magnification? Write its expression. What is its sign for the (a) real (b) virtual, image?
Answer the following question:
Distinguish between the convex mirror and the concave mirror.
Answer the following question.
Write the modification in the curvature of the eye lens which enables us to see the nearby objects clearly?
Select the correct option:
A mirror forms a virtual image (diminished) of an object, whatever be the position of object:
Define the term principal focus in case of convex mirror. Draw a convex mirror and show its principal focus and focal length clearly.
A concave mirror can be used to produce a parallel beam of light. Draw a ray to illustrate this.
