Physics, asked by chouhankartik210, 4 months ago

What is meant by power of a lens ? Write the SI unit? A student uses a lens of focal length 40 cm
bearing purple co
rules of inheritance of traits. State the visible characters of F and F2 progenies?
and another of – 20 cm. Write the nature and power of each lens ?

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Answered by SSS8888
2

Power of lens is known as the inverse of the focal length of the lens measured in meter(m). S.I unit of power = Dioptre (D) Power of lense = 1/ focal length in meter. The focal length of 1st lense f1 = 40 cm = 0.4 m. The lense used is a convex lens because the focal length is a positive value.

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Answered by Rakshitaa007
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Sociology fits as one of the social sciences, having connections with other social sciences such as psychology or economics, as well as with the other sciences. Sociology can be considered one of the more recent sciences to develop, much later than the physical sciences. Thinkers like Comte, Spencer, Marx, and others

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