Physics (WAEC 2000)

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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 · 29 April 2024 8:57 · Questions: 50 · Answered: 0 · Recommended Time: 0h:25m:0s

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36 Click Here To Discuss Question

A material of mass 1.0 x 10^-2kg undergoes a fission process which decreases its mass by 0.02 percent. Calculate the amount of energy released in the process. (c = 3.0 x 10⁸ms^-1)

A. 1.8 x 10²⁰J

B. 1.8 x 10¹³J

C. 1.8 x 10¹¹J

D. 1.8 x 10¹⁰J

Select 1 Option (1 Mks)

37 Click Here To Discuss Question

A proton of wavelength λ_ois emitted when an electron in an atom makes a transition from a level of energy 2E. If the electron transits from 4/3E_k to E level, determine the wavelength of the photon that would be emitted

A. 3λ_o

B. 2λ_o

C. 3/4λ_o

D. 1/3λ_o

Select 1 Option (1 Mks)

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speaker_notes Physics (WAEC 2000)

Physics (WAEC 2000)