What is the resolving power of a telescope of aperture 100 cm, for light of wavelength $5.5 \times 10^{- 7} m$ ?

A

$0.149 \times 10^{7}$

B

$1.49 \times 10^{7}$

C

$14.9 \times 10^{7}$

D

$149 \times 10^{7}$

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Verified by Experts

The correct Answer is:A

The condition for first minimum in a single slit diffraction pattern is d $sin θ = λ$ .

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Updated on:21/07/2023

Class 12 PHYSICS WAVE OPTICS

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Knowledge Check

Question 1 - Select One
What is the resolving power of a telescope of aperture 100 cm, for light of wavelength $5.5 \times 10^{- 7} m$ ?
A $0.149 \times 10^{+ 7}$
B $1.49 \times 10^{+ 7}$
C $14.9 \times 10^{+ 7}$
D $149 \times 10^{+ 7}$
Question 1 - Select One
The resolving power of a telescope having lens of diameter $1.22$ m for a wavelength of $5000 Å$ is
A $2 \times 10^{5}$
B $2 \times 10^{6}$
C $2 \times 10^{2}$
D $2 \times 10^{4}$
Question 1 - Select One
The resolving power of a telescope having lens of diameter $1.22$ m for a wavelength of 5000 Å is
A $2 \times 10^{5}$
B $2 \times 10^{6}$
C $2 \times 10^{2}$
D $2 \times 10^{4}$
Question 1 - Select One
What is the resolving power of a telescope whose objective lens has a diameter 1.22 m from a wavelength 4000 Å?
A $2 \times 10^{6}$
B $2.5 \times 10^{6}$
C $2 \times 10^{5}$
D $2.5 \times 10^{4}$
Question 1 - Select One
The resolving power of a telescope whose lens has a diameter of 1.22 m for a wavelength of $5000 Å$ is
A $2 \times 10^{5}$
B $2 \times 10^{6}$
C $2 \times 10^{2}$
D $2 \times 10^{4}$

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MARVEL PUBLICATION-INTERFERENCE AND DIFFRACTION-TEST YOUR GRASP

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