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arrow_drop_downspeaker_notes Quiz

speaker_notes Physics (WAEC 2001)

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This is for O'level students preparing for Physics
WAEC examination.
Instruction: Achieve at least 50% in less than 30 seconds per question.

Quiz Started: 0 Second ago · 18 April 2024 18:50 · Questions: 50 · Answered: 0 · Recommended Time: 0h:25m:0s
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49 Click Here To Discuss Question

I. Coherence
II. Same frequency
III. Same wavelength
IV. Same Intensity

Which of the conditions above are necessary to produce interference fringes?

Select 1 Option (1 Mks)
50 Click Here To Discuss Question

A boy observes a piece of stone at the bottom of a river 6.0m deep. If he looks from the surface of the river, what is the apparent distance of the stone from him? [Refractive Index of Water = 4/3]

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