Physics, asked by drisrarjokhio, 9 months ago

Two lenses are in contact , a converging of focal length 30cm and a diverging one of focal length -10cm , what is focal length of the combination
A. -5cm
B. -10cm
C. -15cm
D. -20cm
E. -25cm

Answers

Answered by kpdpani

2

Answer:

-5 cm is the answer for the question

Previous Question

Next Question

Similar questions

Science, 4 months ago

what are the limition of Rutherford's model of the atom ...

English, 4 months ago

Take back your money (voice change) ...

Math, 4 months ago

limit x tends to 0( e^ 7x-1)/x ...

Math, 9 months ago

factorise the following 25a²-4b²+28bc-49c² please answer it fast ...

Math, 9 months ago

find the mean of no. 4,8,4,7,13,19,11,20,20,7,19,12,12,15,15,17,18,12,18,13...

Chemistry, 1 year ago

The ionisation energy is lowest for. (A)Nitrogen (B)Oxygen (C)Fluorine (D)Neon...

English, 1 year ago

Fill in the blanks with correct forms of verbs given in brackets. It has been well(a)______(say) that forests precede mankind ;deserts(b)______(follow). The world's ancient patrimony of tropical forests is now (c)_____(erode)at the rate of forty to fifty million acres a year.

Math, 1 year ago

solve this from Question 5.