Topper's Solved these Questions
Similar Questions
Explore conceptually related problems
BINA LIBRARY-Optics-I-EXERCISE
- What is meant by power of a lens? What is its unit?
Text Solution
|
- When two thin converging lenses of focal lengths f, and f, are held in...
Text Solution
|
- What is meant by the angle of minimum deviation of a prism?
Text Solution
|
- Find a relation between minimum deviation and the refractive index of ...
Text Solution
|
- Explain why white light is dispersed while passing through a prism.
Text Solution
|
- What are the two main defects of vision? State how these are rectified...
Text Solution
|
- With the help of a labelled ray diagram, show the image formation by a...
Text Solution
|
- Derive an expression for compound microscope's magnifying power.
Text Solution
|
- Draw a labelled ray diagram of an astronomical telescope for a near po...
Text Solution
|
- Write down the expression for astronomical magnifying power.
Text Solution
|
- Draw a labelled ray diagram to show the image formation in an astronom...
Text Solution
|
- Write down the expression for astronomical magnifying power.
Text Solution
|
- State two drawbacks of astronomical telescope.
Text Solution
|
- Draw a labelled ray diagram to show the image formation in a reflectin...
Text Solution
|
- Write two advantages of a reflecting telescope over a refracting teles...
Text Solution
|
- Modern telescope prefer using mirrors over using suitable lenses. Give...
Text Solution
|
- Concave mirrors are used as shaving mirrors. Why?
Text Solution
|
- Give reasons why convex mirrors are generally used as driving mirrors.
Text Solution
|
- How will you distinguish between plane, concave and convex mirrors?
Text Solution
|
- If a concave mirror is held in water, will its focal length change as ...
Text Solution
|