The diameter of the sun is expressed as `13.9xx 10^(9) m`. Find the order of magnitude of the diameter ?

A man is trying to start a fire by focusing sunlight on a piece of paper using an equiconvex lens of focal length 10 cm . The diameter of the sun is 1.39 xx 10^(9) m and the diameter of the sun's image on the paper is

A man is trying to start a fire by focusing sunlight on a piece of paper using an equiconvex lens of focal length 10 cm . The diameter of the sun is 1.39 xx 10^(9) m and the diameter of the sun's image on the paper is

The radius of the earth and the radius of orbit around the sun are 6371 km and 149 xx 10^(6) km respectively. The order of magnitude of the diameter of the orbit is greater than that of earth by

A boy is trying to start a fire by focusing sunlight on a piece of paper using an equiconvex lens of focal length 10cm . The diameter of the sun is 1.39xx10^(9)m and its mean distance from the earth is 1.5xx10^(11)m . What is the diameter of the sun's image on the paper ?

A boy is trying to start a fire by focusing sunlight on a piece of paper using an equiconvex lens of focal length 10cm . The diameter of the sun is 1.39xx10^(9)m and its mean distance from the earth is 1.5xx10^(11)m . What is the diameter of the sun's image on the paper ?

The radius of the sun is 0.75xx10^(8)m and its distance from the earth is 1.5xx10^(11)m . Find the diameter of the image of the sun formed by a lens of focal length 40 cm

The radius of the sun is 0.75xx10^(8)m and its distance from the earth is 1.5xx10^(11)m . Find the diameter of the image of the sun formed by a lens of focal length 40 cm

A boy is trying to start a fire by focussing sunlight on a piece of paper using an equiconvex lens of focal length 10 cm.The diamerter of the sun is 1.39 xx 10^9 m and its mean distance form the earth is 1.5 xx 10^(11) .What is the diameter of the sun's image on the paper?

The diameter of the sun subtends an angle of 0.5^(@) at the pole of the concave mirror. The radius of curvature of the mirror is 1.5 m. Find the diameter of the image of the sun. Consider the distance of sun from the mirror infinite