Physics, asked by juptcrack, 6 months ago

A 10 mm long awl pin is placed vertically in front of a concave
mirror. A 5 mm long image of the awl pin is formed at 30 cm in
front of the mirror. The focal length of this mirror is
(a) – 30 cm (b) – 20 cm
(c) – 40 cm (d) – 60 cm

Answers

Answered by yashhcjgbhv

2

Answer:

b 20

Explanation:

hope it help you

✌✌✌✌✌✌

Previous Question

Next Question

Similar questions

Math, 3 months ago

if x= -3/4 and y= -2/3 find the value of 3x-4y...

Math, 3 months ago

2. 10y + 20 = 50 3. 5m + 7 = 17 4. 10p + 10 = 100 5. 39 + 12 = 12 6. 2t + 6 = 0 solve by using only simple equation method...

English, 3 months ago

you should go home because it is going to rain write question for these...

Math, 6 months ago

ABC and ADC are right angled triangles with common hypotenuse Ac. prove that CAD=CBD...

English, 6 months ago

Now. Write an application to your head teacher on behalf of your class seeking permission to go on a study tour...

Hindi, 1 year ago

मरुस्थलीकरण शब्द की व्याख्या कीजिए...

Math, 1 year ago

Answer the following 14 in Figure 2. the angle of elevation of the top of a tower AC from a point B on the ground is 60°. If the height of the tower is 20 m, find the distance of the point from the foot of the tower.

English, 1 year ago

Q1. Answer the following question. 1. Do you keep yourself clean? 2. When should we brush our teeth ? 3. When should get up ? 4. Where do you throw the garbage ? 5. Name same sharp object.