Text Solution
Verified by Experts
The correct Answer is:
HC VERMA-OPTICAL INSTRUMENTS-Exercises
- A simple microscope is rated 5 X for a normal relaxed eye. What Nvill ...
Text Solution
|
- Find the maximum magnifying power of a compound microscope having a 25...
Text Solution
|
- The separation between the objective and the eyepiece of a compound mi...
Text Solution
|
- An eye can distinguish between two points of an object if they are sep...
Text Solution
|
- A compound microscope has a magnifying power of 100 when the image is ...
Text Solution
|
- A compound microscope consists of an objective of focal length 1 cm an...
Text Solution
|
- An optical instrument used for angular magnification has a 25 D object...
Text Solution
|
- An astronimical telescope is to be designed to hve a magnifying power ...
Text Solution
|
- The eyepice of an astronomicasl telescope has a focasl length of 10 cm...
Text Solution
|
- A Galilean telescope is 27 cm long when focussed to form an image at i...
Text Solution
|
- A farsighted person cannot see objects placed closer to 50 cm. Find th...
Text Solution
|
- A nearsighted person cannot clearly see beyond 200 cm. Find the power ...
Text Solution
|
- A person wears glasses of power - 2.5 D. Is the person short sighted o...
Text Solution
|
- A professor reads a greeting card received on his 50th birthday with +...
Text Solution
|
- A normal eye has retina 2 cm behind the eye-lens. What is the power of...
Text Solution
|
- The near point and the far point of a child are at 10 cm and 100 cm. I...
Text Solution
|
- A nearsighted person cannot see beyond 25 cm. Assuming that the separa...
Text Solution
|
- A person has near point at 100 cm. What power of lens is needed to rea...
Text Solution
|
- A lady uses + 1.5 D glasses to have normal vision from 25 cm onwards. ...
Text Solution
|
- A lady cannot see objects closer than 40cm from the left eye and close...
Text Solution
|