282892
If numerical aperture of a microscope is increased then its
1 resolving power remains constant
2 resolving power becomes zero
3 limit of resolution is decreased
4 limit of resolution is increased
Explanation:
C: If numerical aperture of a microscope is increased then limit of resolution is decreased.
MHT-CET 2018
Ray Optics
282893
On decreasing the wavelength of incident light from \(8000 \mathrm{~A}\) to \(4000 \mathrm{~A}\). The intensity of the scattered light in Rayleigh scattering will become times the initial scattered intensity.
282894
Assertion: Sky is maximum red in morning.
Reason: Smallest wavelength scatter maximum.
1 If both Assertion and Reason are correct and reason is the correct explanation of Assertion.
2 If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion
3 If Assertion is correct but Reason is incorrect
4 If both the Assertion and Reason are incorrect
Explanation:
A: Light of smaller wavelength blue and violet gets scattered because of atmosphere and not able to reach observers eye so the light of high wavelength that is red mainly reaches the observer and hence sky looks red.
AIIMS-26.05.2018(M)
Ray Optics
282895
The magnifying power of a simple microscope is (when final image is formed at \(D=25 \mathrm{~cm}\) from eye)
1 \(\frac{\mathrm{D}}{\mathrm{f}}\)
2 \(1+\frac{\mathrm{D}}{\mathrm{f}}\)
3 \(1+\frac{\mathrm{f}}{\mathrm{D}}\)
4 \(1-\frac{\mathrm{D}}{\mathrm{f}}\)
#[examname: CG PET -2018]#
Explanation:
B: Magnifying power \((\mathrm{m})=1+\frac{\mathrm{D}}{\mathrm{f}}\).
282892
If numerical aperture of a microscope is increased then its
1 resolving power remains constant
2 resolving power becomes zero
3 limit of resolution is decreased
4 limit of resolution is increased
Explanation:
C: If numerical aperture of a microscope is increased then limit of resolution is decreased.
MHT-CET 2018
Ray Optics
282893
On decreasing the wavelength of incident light from \(8000 \mathrm{~A}\) to \(4000 \mathrm{~A}\). The intensity of the scattered light in Rayleigh scattering will become times the initial scattered intensity.
282894
Assertion: Sky is maximum red in morning.
Reason: Smallest wavelength scatter maximum.
1 If both Assertion and Reason are correct and reason is the correct explanation of Assertion.
2 If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion
3 If Assertion is correct but Reason is incorrect
4 If both the Assertion and Reason are incorrect
Explanation:
A: Light of smaller wavelength blue and violet gets scattered because of atmosphere and not able to reach observers eye so the light of high wavelength that is red mainly reaches the observer and hence sky looks red.
AIIMS-26.05.2018(M)
Ray Optics
282895
The magnifying power of a simple microscope is (when final image is formed at \(D=25 \mathrm{~cm}\) from eye)
1 \(\frac{\mathrm{D}}{\mathrm{f}}\)
2 \(1+\frac{\mathrm{D}}{\mathrm{f}}\)
3 \(1+\frac{\mathrm{f}}{\mathrm{D}}\)
4 \(1-\frac{\mathrm{D}}{\mathrm{f}}\)
#[examname: CG PET -2018]#
Explanation:
B: Magnifying power \((\mathrm{m})=1+\frac{\mathrm{D}}{\mathrm{f}}\).
282892
If numerical aperture of a microscope is increased then its
1 resolving power remains constant
2 resolving power becomes zero
3 limit of resolution is decreased
4 limit of resolution is increased
Explanation:
C: If numerical aperture of a microscope is increased then limit of resolution is decreased.
MHT-CET 2018
Ray Optics
282893
On decreasing the wavelength of incident light from \(8000 \mathrm{~A}\) to \(4000 \mathrm{~A}\). The intensity of the scattered light in Rayleigh scattering will become times the initial scattered intensity.
282894
Assertion: Sky is maximum red in morning.
Reason: Smallest wavelength scatter maximum.
1 If both Assertion and Reason are correct and reason is the correct explanation of Assertion.
2 If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion
3 If Assertion is correct but Reason is incorrect
4 If both the Assertion and Reason are incorrect
Explanation:
A: Light of smaller wavelength blue and violet gets scattered because of atmosphere and not able to reach observers eye so the light of high wavelength that is red mainly reaches the observer and hence sky looks red.
AIIMS-26.05.2018(M)
Ray Optics
282895
The magnifying power of a simple microscope is (when final image is formed at \(D=25 \mathrm{~cm}\) from eye)
1 \(\frac{\mathrm{D}}{\mathrm{f}}\)
2 \(1+\frac{\mathrm{D}}{\mathrm{f}}\)
3 \(1+\frac{\mathrm{f}}{\mathrm{D}}\)
4 \(1-\frac{\mathrm{D}}{\mathrm{f}}\)
#[examname: CG PET -2018]#
Explanation:
B: Magnifying power \((\mathrm{m})=1+\frac{\mathrm{D}}{\mathrm{f}}\).
282892
If numerical aperture of a microscope is increased then its
1 resolving power remains constant
2 resolving power becomes zero
3 limit of resolution is decreased
4 limit of resolution is increased
Explanation:
C: If numerical aperture of a microscope is increased then limit of resolution is decreased.
MHT-CET 2018
Ray Optics
282893
On decreasing the wavelength of incident light from \(8000 \mathrm{~A}\) to \(4000 \mathrm{~A}\). The intensity of the scattered light in Rayleigh scattering will become times the initial scattered intensity.
282894
Assertion: Sky is maximum red in morning.
Reason: Smallest wavelength scatter maximum.
1 If both Assertion and Reason are correct and reason is the correct explanation of Assertion.
2 If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion
3 If Assertion is correct but Reason is incorrect
4 If both the Assertion and Reason are incorrect
Explanation:
A: Light of smaller wavelength blue and violet gets scattered because of atmosphere and not able to reach observers eye so the light of high wavelength that is red mainly reaches the observer and hence sky looks red.
AIIMS-26.05.2018(M)
Ray Optics
282895
The magnifying power of a simple microscope is (when final image is formed at \(D=25 \mathrm{~cm}\) from eye)
1 \(\frac{\mathrm{D}}{\mathrm{f}}\)
2 \(1+\frac{\mathrm{D}}{\mathrm{f}}\)
3 \(1+\frac{\mathrm{f}}{\mathrm{D}}\)
4 \(1-\frac{\mathrm{D}}{\mathrm{f}}\)
#[examname: CG PET -2018]#
Explanation:
B: Magnifying power \((\mathrm{m})=1+\frac{\mathrm{D}}{\mathrm{f}}\).
