PSEB-RAY OPTICS AND OPTICAL INSTRUMENTS-EXERCISE
- A beam of light converges at a point P. Now a lens is placed in the pa...
Text Solution
|
- An object of size 3.0cm is placed 14cm in front of a concave lens of f...
Text Solution
|
- What is the focal length of a convex lens of focal length 30cm in cont...
Text Solution
|
- A compound microscope consists of an objective lens of focal length 2....
Text Solution
|
- What is the focal length of a convex lens of focal length 30cm in cont...
Text Solution
|
- A person with a normal near point (25 cm) using a compound microscope ...
Text Solution
|
- A small telescope has an objective lens of focal length 144cm and an e...
Text Solution
|
- A giant refracting telescope at an observatory has an objective lens o...
Text Solution
|
- A telescope has objective lens of focal length 15m. If this telescope ...
Text Solution
|
- Use the mirror equation to deduce that: an object placed between f and...
Text Solution
|
- Use the mirror equation to deduce that: a convex mirror always produce...
Text Solution
|
- Use the mirror equation to deduce that: the virtual image produced by ...
Text Solution
|
- Use the mirror equation to deduce that: an object placed between the ...
Text Solution
|
- A small pin fixed on a table top is viewed from above from a distance ...
Text Solution
|
- Figure 9.35 shows a cross-section of a glass fibre of refractive index...
Text Solution
|
- Figure 9.35 shows a cross-section of a glass fibre of refractive inde...
Text Solution
|
- Answer the following questions: You have learnt that plane and convex ...
Text Solution
|
- Answer the following questions: A virtual image, we always say, canno...
Text Solution
|
- Answer the following questions: A diver under water, looks obliquely ...
Text Solution
|
- Answer the following questions: Does the apparent depth of a tank of ...
Text Solution
|