Physics, asked by girlish313, 7 months ago

Two lenses of powers +15 D and -5 D are in contact with each other forming a combination lens. (a) what is the focal length of this combination? (b) an object of size 3cm is placed at 30 cm from this combination of lenses. Calculate the position and size of the image formed.

Answers

Answered by NischaySinha

2

Explanation:

This is your answer please vote me

Attachments:

Previous Question

Next Question

Similar questions

English, 3 months ago

Make interrogative you take tea...

Accountancy, 3 months ago

Trade Discount allowed (a) is shown separately in the books of account. (6) is not shown separately in the books of account. (c) can be shown either separately or deducted from purchase cost. (d) None of the above. ntion in not of financial character? 11...

Math, 3 months ago

Hundred seeds were selected at random from each of 4 bags of seeds, and were kept under standardized conditions favorable to germination. After 20 days, the number of seeds which had germinated in each collection were counted and recorded as follows. Bag - 1 2 3 4 Number of seeds germinated -90 92 64 81 What is the probability of germination of [3] (i) less than 90 seeds in a bag? (ii) 90...

English, 7 months ago

(B) Read the following adjectives and carefully specify their kind. • brave • their • none • enough .... • those • seven • either • pink • what • steel • happy • Japanese • several • our • fat • half...

Biology, 7 months ago

energy giving compound 13 letter word ...

Chemistry, 11 months ago

the atomic masses of two isotopes of O of are 15.9936 and 17.0036 calculate in each atom a. number of neutrons b. number of protons c. number of electrons d. mass number ...

Math, 11 months ago

Firoz invested a sum of money at an annual simple interest rate of 10%. At the end of 4 years, the amount received by Firoz was RS 7700. What was the sum invested?

Math, 11 months ago

If the angles of a triangle are in the ratio 1:4:5 find the angles...