At Kavalur in India,astronomers using a teles | vedclass

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(A) The resolving power $(R.P.)$ of a telescope is given by the formula $R.P. = \frac{D}{1.22 \lambda}$,where $D$ is the diameter of the objective len

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The increase in the resolving power by $2.54$ times for the same $\lambda$.

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(A) The resolving power $(R.P.)$ of a telescope is given by the formula $R.P. = \frac{D}{1.22 \lambda}$,where $D$ is the diameter of the objective lens and $\lambda$ is the wavelength of light.Since $R.P. \propto D$,if the diameter increases from $1 \, m$ to $2.54 \, m$,the resolving power increases by a factor of $\frac{2.54}{1} = 2.54$.Therefore,the resolving power increases by $2.54$ times for the same wavelength $\lambda$.

At Kavalur in India,astronomers using a telescope whose objective had a diameter of $1 \, m$ started using a telescope of diameter $2.54 \, m$. This resulted in:

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