Calculate the separation of two points on moon that can be resolve using `600 cm` telescope. Given distance of moon from earth `= 3.8 xx 10^(10) cm`. The wavelength most sensitive to eye is `5.5 xx 10^(-5) cm`.

A telescope of diameter 500 cm is used to resolve two points on the moon. Calculate the separation between the points . Take distance of the moon from the Earth =4 xx 10^(10) cm , and wavelength of light most sensitive to eye =5.5 xx 10^(-5) cm .

What is the resolving power of a telescope of aperture 100 cm, for light of wavelength 5.5xx10^(-7)m ?

A bomb explodes on moon. How long does the sound take to reach the earth coverage distance between earth and moon is 3.8 xx 10^(8) m ?

Calculate the numarical aperture of a microscope required to just resolve two points separated by a distance of 10^(-4) cm . Wavelength of light used is 5.8 xx 10^(-5) cm .

Find the distance of a point from the earth's centre where the resultant gravitational field due to the earth and the moon is zero The mass of the earth is 6.0 xx 10^(24)kg and that of the moon is 7.4 xx 10^(22)kg The distance between the earth and the moon is 4.0 xx 10^(5)km .

Calculated the numerical aperture of a microscope required to just resolve two points separated by a distance of 10^(-4) cm, using light of wavelength 5.8xx10^(-5)cm .

A giant telescope in an observatory has an objective of focal length 19 m and an eye-piece of focal length 1.0 cm . In normal adjustment, the telescope is used to view the moon. What is the diameter of the image of the moon formed by the objective? The diameter of the moon is 3.5 xx 10^(6)m . and the radius of the lunar orbit round the earth is 3.8 xx 10^(8) m .

Find the distance of a point from the earth's centre where the resultant gravitational field due to the earth and the moon is zero. The mass of the earth is 6.0xx10^(24)kg and that of the moon is 7.4xx10^(22)kg . The distance between the earth and the moon is 4.0xx10^(5)km .