Discuss with colleagues and IITians> The sun sub stends an angle teta radian o...

The sun sub stends an angle teta radian on the surface of the earth.if a convex lens of focal length F is used to obtain in a real image of the sun on a screen , the diameter of the imagewill be a)f teta b)f teta /2 c)f/teta d)2f teta

ram kumarr , 5 Years ago

Grade 12th pass

1 Answers

Arun

Last Activity: 5 Years ago

Since the object distance → so, the Image can be assumed to form at the focus. So,

$r/f = tan(x/2)$

where r is the radius of image, and “x” is the angle substended by the object, i.e. Sun.

So, $d = 2r = 2ftan (x/2)$

Hipe ot helps

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Discuss with colleagues and IITians> The sun sub stends an angle teta radian o...

The sun sub stends an angle teta radian on the surface of the earth.if a convex lens of focal length F is used to obtain in a real image of the sun on a screen , the diameter of the imagewill be a)f teta b)f teta /2 c)f/teta d)2f teta

ram kumarr , 5 Years ago

Arun

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