The diameter of the moon is about 2160 km . When the moon's distance from a concave mirror is `43.2 xx 10^(4) km`, an image of diameter 1.5 cm of the moon is formed. What is the radius of the mirror?

The diameter of the moon is 3450 km and its distance from the earth is 3.8xx10^(5)km. What will be the diameter of the image of the moon formed by a convex mirror of focal length 7.6 m ?

The diameter of the moon is 3.5 xx 10^3 km and its distance from the earth is 3.8 xx 10^5 km . The diameter of the image of the moon seen by a telescope having focal length of the objective and the eyepiece as 400 cm and 10 cm respectively will be

Radius of the Moon is 1.74 xx 10^(6) m and its distance from the Earth is 3.82 xx 10^(8) m. A concave mirror of focal length 20 m is used to form the image of the Moon. What will be the radius of the image of the Moon?

The moon's distance from the earth is 360000 km and its diameter subtends an angle of 31' at the eye of the observer. Find the diameter of the moon.

The diameter of the moon is 3.5 xx 10^3 km and its distance from the earth is 3.8 xx 10^5 km . It is viewed by a telescope which 10 cm . Find the angle subtended at the eye by the final image.

Distance between the earth and the moon is 386242.56 km and diameter of the moon is 3218.69 km. if focal length of the objective of a telescope is 0.018288 km then what is the diameter of real image of the moon formed by the objective ?

The moons distance from the earth is 360,000kms and its diameter subtends an angle of 31 at the eye of the observer.Find the diameter of the moon.

The diameter of the moon is 3.5 xx 10^(3)km and its distance from the earth is 3.8 xx 10^(5)km . It is viewed by a telescope which consists of two lenses of focal lengths 4m and 10 cm. Find the angle subtended at eye by the final image.

Find the diameter of the image of the moon formed by a spherical concave mirror of focal length 7.6 m. The diameter of the moon is 3450 km and the distance of the earth and the moon is 3.8 xx 10^5 km.