Physics, asked by komal528, 5 months ago

if two lenses of power +1.5D and +1.0D are placed is contact then effective power of the combination is:- (a)2.5D (b)1.5D (c)0.5D (d)3.25D

Answers

Answered by anshu005512

0

Explanation:

Given,

P

1

=+1.5D

P

2

=+1.0D

The effective power of the combination,

P=P

1

+P

2

P=(+1.5)+(+1.0)

P=+2.5D

The correct option is B.

Previous Question

Next Question

Similar questions

Chemistry, 2 months ago

what is formula of rusting...

Math, 2 months ago

simplify: 3/7+4/5÷7/10...

English, 2 months ago

Choose the correct option. (10) 1. According to Maya, _____ might be the accomplice of Nath. (a) Ramesh (b) Mr Mehta (c) his Sunday visitor (d) Nishad 2. ______ lives longer than anything else. (a) Douglas Fir (b) Oak (c) Bristlecone Pine (d) Cedar 3. Mr Willy Wonka is a (a) a cook (b) an inventor (c) a manager 4. Wonka-Vite makes people (a) older (b) younger (c) not effects 5.

Biology, 5 months ago

what is the role of the spine in our body ...

Accountancy, 5 months ago

3. Ram Das of Hyderabad consigned goods costing Rs. 72,000 to Prakash of Cochin at a pro-forma invoice price which is cost plus a profit of 1/6h on invoice price. The consignor paid Rs. 1,800 as insurance and other charges. Prakash received the goods and paid Rs. 3,000 for freight and other charges. He was allowed 3% commission on gross sales. 3/4th of the goods were sold at 33.33% profit on...

Social Sciences, 11 months ago

The retreat of the monsoons is marked by (a) Cloudy sky and fall in temperature (b)cloudy sky and rise in temperature (c)clear sky and fall in temperature (d)clear sky and rise in temperature ...

Math, 11 months ago

Construct a word problem on quadratic equation, such that one of its an- swers is 6 (Years, natural numbers, rupees etc.) Also solve it.

Hindi, 11 months ago

You're insecure Don't know what for You're turning heads when you walk through the door Don't need make-up to cover up Being the way that you are is enough Everyone else in the room can see it Everyone else but you Baby, you light up my world like nobody else The way that you flip your hair gets me overwhelmed But when you smile at the ground it ain't hard to tell You don't know, oh oh You...