Assertion : Different colours travel with different speed in vacuum.
Reason : Wavelength of light depends on refractive index of medium.
Reason : Wavelength of light depends on refractive index of medium.
- AIf both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
- BIf both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
- CIf the Assertion is correct but Reason is incorrect.
- DIf the Assertion is incorrect but the Reason is correct.
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View SolutionStatement $(S)$: Using Huygen's eye-piece, measurements can be taken, but they are not correct.
Reason $(R)$: The cross wires, scale, and final image are not magnified proportionately because the image of the object is magnified by two lenses, whereas the cross-wire scale is magnified by one lens only.
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View SolutionAssertion: The colour of a green flower seen through red glass appears to be dark.
Reason: Red glass transmits only red light.
Reason: Red glass transmits only red light.
The figure shows a schematic diagram of Young's Double Slit Experiment. If the distance $D$ between the slits and the screen is varied,choose the correct statement$(s)$.
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