Physics 1983 JAMB Past Questions

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The range of wavelengths of the visible spectrum is 400nm - 700nm. The wavelength of gamma rays is

A. longer than 700nm
B. shorter than 700nm but longer then 400nm
C. 550nm
D. shorter than 400nm
E. infinite

View Answer & Discuss (12) JAMB 1983

If the pressure on 100cm3 of an ideal gas is doubled while its kelvin temperature is halved, then the new volume of the gas will become

A. 25cm³
B. 50cm³
C. 100cm³
D. 200cm³
E. 400cm³

View Answer & Discuss (19) JAMB 1983

A train has an initial velocity of 44ms^-1 and an acceleration of -4ms^-1. Its velocity after 10 seconds is

A. 2ms^-1
B. 4ms^-1
C. 8ms^-1
D. 12ms^-1
E. 16ms^-1

View Answer & Discuss (4) JAMB 1983

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Which of the following conditions are necessary and sufficient for total internal reflection to take place at the boundary between two optical media? i. light is passing from optically denser medium to optically less dense medium. ii. light is passing from optically less dense medium to optically denser medium. iii. angle of incidence is greater. iv. angle of incidence is lesser