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Intensity vs Photocurrent

if the veloci...

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if the velocity of an electron is doubled its de broglei frequency will ?? 1. halved 2. doubled 3. remain same 4 . four times

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Q. Assertion :If the potential difference applied to an electron is made 4 times, the de Broglie wavelength associate halved Reason: On making potential difference 4 times velocity is doubled and hence

λ

Q. If the radius of a cylinder is doubled and the height remains same, the volume will be

(a) doubled

(b) halved

(c) same

(d) four times

Q. Assertion :If the potential difference applied to an electron is made

4

times, the de Broglie wavelength associated is halved. Reason: On making potential difference

4

times, velocity is doubled and hence

d

In cylinder, if the radius is halved and the height is doubled then the volume will be

(a) the same (b) doubled (c) halved (d) four times

Q. Assertion :If the potential difference applied to an electron is made 4 times, the de Broglie wavelength associate halved. Reason: On making a potential difference 4 times, velocity is doubled and hence

λ

Read the above assertion and reason and choose the correct option regarding it.

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