Physics, asked by bavaniphanidhar, 6 months ago

we know that if d > 25cm, then 'f' becomes +ve ie, we need to use
biconvex lens to correct defect of hypermetropia. why does f become +ve if d> 25 cm?

Answers

Answered by adityasingh3873raj

0

Answer:

the correct ans is +3.0D

Previous Question

Next Question

Similar questions

English, 3 months ago

how does the poet compare a man's first and seventh age?

Science, 3 months ago

Answer the following questions in brief. 1. Differentiate between the following: a. sea breeze and land breeze b. conductors and insulators 2. Convert: a. 60°C to °F b. 300 K to °C c. 182°F to K 3. Explain the working of thermos flask with a well labelled diagram. 4. Why cannot we measure the temperature of hot milk with clinical thermometer? 5. Explain the different temperature scales. 6.

English, 3 months ago

If i eat myself will I get twice as big or disappear completely?

Business Studies, 6 months ago

what is economic activity ...

Math, 6 months ago

Find (a+b)÷(a-b), if a and b are 1/3and 3/5 respectively...

Math, 10 months ago

express the following recurring decimal as a rational number 2.3555555555...

Physics, 10 months ago

Write SI and C.G.S unit of acceleration ...

Computer Science, 10 months ago

which unit of the CPU perform arithmetic calculations ...