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प्रश्न
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संबंधित प्रश्न
A 2.0 cm tall object is placed 40 cm from a diverging lens of focal length 15 cm. Find the position and size of the image.
What do you mean by the term dispersion?
AB and CD, two spherical mirrors, from parts of a hollow spherical ball with its centre at O as shown in the diagram. If arc AB = `1/2` arc CD, what is the ratio of their focal lengths? State which of the two mirrors will always form virtual image of an object placed in front of it and why.
Explain the following term:
Incident ray
Draw diagram/diagrams to show them.
Define the terms focus and focal length of a concave mirror. Draw diagram to illustrate your answer.
Define the following term in relation to concave mirror.
Pole
Complete the following diagrams shown in the below figure by drawing the reflected ray for each incident ray.
A ray of light is incident towards a plane mirror at an angle of 30° with the mirror surface. What will be the angle of reflection?
