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3586

Let \(\Delta\)x be the uncertainty in the measurements of position and \(\Delta\)p the uncertainty in measurement of momentum. The uncertainty principle relation is given as

A. \(\Delta\)x . \(\Delta\)p = h
B. \(\Delta\)x . \(\Delta\)p \(\leq\) = h
C. \(\Delta\)x . \(\Delta\)p \(\geq\) = h
D. \(\Delta\)x . \(\Delta\)p > h

View Answer & Discuss (3) WAEC 2016

3587

Two angles of a pentagon are in the ratio 2:3. The others are 60^o each. Calculate the smaller of the two angles

A. 72^o
B. 100^o
C. 120^o
D. 144^o

View Answer & Discuss (2) WAEC 2015

3588

Which is the incorrect formula for a body accelerating uniformly?

A. a = v² − \(\frac{u^2}{2}\)
B. v² = u² + 2as
C. s = ut + \(\frac{1}{2}\) at²
D. v² − u²= 2as

View Answer & Discuss (21) JAMB 2017

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3589

Which of the following is not an electromagnetic radiation?

A. x - ray
B. Radio waves
C. sunlight
D. sound waves

View Answer & Discuss (6) JAMB 2017

3590

Calculate the electric field intensity between two plates of potential difference 6.5V when separated by a distance of 35cm.

A. 18.57NC\(^{-1}\)
B. 53.06N C\(^{-1}\)
C. 2.28NC\(^{-1}\)
D. 0.80NC\(^{-1}\)

View Answer & Discuss (12) JAMB 2017

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