US Navy vs Russian Navy UNBIASED Comparison in Hindi #Shorts #Short

(a) What is short-sightedness ? State the two causes of short-sightedness (or myopia). With the help of ray diagram, show : (i) the eye-defect short-sightedness. (ii) correction of short-sightedness by using a lens. (b) A person having short-sight cannot see objects clearly beyond a distance of 1.5 m. What would be the nature and power of the corrective lens to restore proper vision ?

List three advantages each of: (i) exploiting resources with short term aims, and (ii) using a long term perspective in managing our natural resources.

Identify the two parts in the sentences below by underlining the part that gives us the information in brackets. Where other girls wore traditional Indian dresses, Santosh preferred shorts. (Contrasts her dress with that of others)

Assertion : Short wave bands are used for transmission of radio waves to a large distance. Reason : Short waves are reflected by ionosphere