MHT CET 2025 22nd April Morning Shift | Wave Optics Question 7 | Physics

Assuming human pupil to have radius of 0.25 cm and comfortable viewing distance of 25 cm , the minimum separation between the two objects that human eye can resolve at 500 nm wavelength is nearly

$330 \mu \mathrm{~m}$

$30 \mu \mathrm{~m}$

$1 \mu \mathrm{~m}$

$100 \mu \mathrm{~m}$

MHT CET 2025 22nd April Morning Shift

MCQ (Single Correct Answer)

-0

In a single slit diffraction pattern, identify the incorrect statement from the following.

The fringes have unequal width.

The fringes have unequal intensity.

The fringes have unequal width and unequal intensity.

The fringes have equal width and equal intensity.

MHT CET 2025 21st April Evening Shift

MCQ (Single Correct Answer)

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The two coherent sources produce interference with intensity ratio ' $b$ '. In the interference pattern, the ratio $\frac{I_{\text {max }}+I_{\text {min }}}{I_{\text {max }}-I_{\text {min }}}$ will be

$\frac{1+b}{\sqrt{b}}$

$\frac{1+b}{2 \sqrt{b}}$

$\frac{2 \sqrt{b}}{1+b}$

$\frac{2 \sqrt{b}}{(1+b)^2}$

MHT CET 2025 21st April Evening Shift

MCQ (Single Correct Answer)

-0

According to Huygen's wave theory of light, which one of the following statements is not correct?

Different colours of light are due to different wavelengths of waves.

Different colours of light are due to different sizes of the corpuscles.

Speed of light in denser medium is less than that in rarer medium.

It can explain laws of reflection and refraction.

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