A person who can see things most clearly at a distance of 10 cm. Requires spectacles to enable to him to see clearly things at a distance of 30 cm. What should be the focal length of the spectacles

Question:

Options :

(a) -15cm (concave)
(b) 15cm (convex)
(c) 10cm
(d) 0

Answer :

(a) -15cm (concave)

Answer Steps :

step 1

Video Tutorial

Forty electric bulbs are connected in series across a 220 V supply. After one bulb is fused, the remaining 39 are connected again in series across the same supply. The illumination will be

If a body is executing simple harmonic motion then

Two simple harmonic motions of angular frequency 100 rad/sec and 1000 rad/s have the same displacement amplitude. The ratio of their maximum acceleration is

Online Support

Related Questions

Forty electric bulbs are connected in series across a 220 V supply. After one bulb is fused, the remaining 39 are connected again in series across the same supply. The illumination will be

If a body is executing simple harmonic motion then

Two simple harmonic motions of angular frequency 100 rad/sec and 1000 rad/s have the same displacement amplitude. The ratio of their maximum acceleration is

Explore Our Courses

Access To All Courses from VgyanHub

Popular Courses

Company

Need Some Help?