If the focal length is 150 cm for a glass lens, what is the power of the lens? Solution in Tamil

The speed of light in an isotropic medium depends on,

State the laws of reflection.

The radius of the first orbit of hydrogen atom is 0.5 Å. The electron moves is an orbit with a uniform speed of 2.2$\times {10}^{6}m{s}^{-1}$. What is the magnetic field produced at the centre of the uncleus due to the mation of this electron ? Use ${\mu }_0=4\pi \times {10}^{-7}H{m}^{-1}$ and electric charge $=1.6\times {10}^{-19}$ C

What is physics?

A convex lens of focal length 20 cm is placed in contact with a concave lens of focal length 10 cm. What is the focal length and power of the combination ?

The focal length of a lens is $+150$mm. What kind of lens is it and what is its power?

The focal length of a glass convex lens of refractive index 1.5 is 20 cm. What is the focal power of the lens when immersed in a liquid of refractive index of 1.25 ?

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What is the focal length of the combination if a lens of focal length - 70 c is brought in contact with a lens of focal length 150 cm? What is the power of the combination?

If the focal length is 150 cm for a glass lens, what is the power of the lens?

A focal length of a lens is 10 cm. What is power of a lens in dioptre ?

If the focal length of a converging lens is 50 cm. What is the power of the Lens ?

What is power of lens of focal length 20 cm ?

A convex lens has a focal length 25 cm. What is the power of the lens.

A concave lens has a focal length 25 cm. What is the power of the lens?