Assertion :In process of photoelectric emission, all emitted electrons do not have same kinetic energy. Reason: If radiation falling on photosensitive surface of a metal consists of different wavelength then energy wavelengths shall be different.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Assertion is correct but Reason is incorrect

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Assertion is incorrect but Reason is correct

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
Both Assertion and Reason are true; but even it radiation of single wavelength is incident on photosensitive surface, electrons of different KE will be emitted.

Suggest Corrections

Similar questions

Q. Assertion: Average kinetic energy in one oscillation during

SHM

of a body is

\frac{1}{4} m ω^{2} A^{2}

.
Reason: Maximum kinetic energy is

\frac{1}{2} m ω^{2} A^{2}

Assertion (A) All collision of reactant molecules lead to product formation.

Reason (R) Only those collisions in which molecules have correct orientation and sufficient kinetic energy lead to compound formation.

(a) Both assertion and reason are correct and the reason is correct explanation of assertion
(b) Both assertion and reason are correct, but reason does not explain assertion.
(c) Assertion is correct, but reason is incorrect
(d) Both assertion and reason are incorrect
(e) Assertion is incorrect but reason is correct.

Assertion (A) The enthalpy of reaction remains constant in the presence of a catalyst.

Reason (R) A catalyst participating in the reaction forms different activated complex and lowers down the activation energy but the difference in enrgy of reactant and product remains the same.

Q. Assertion : Two electrons of helium atom are placed in only one shell but three electrons of lithium need two shells.
Reason: A shell can have maximum

{2n}^{2}

electrons.

ASSERTION: n-Pentane and n-Hexane belong to a homologous series.

REASON: n-Pentane and n-Hexane belong to the same class of hydrocarbons and they differ by a - $C H_{2}$ - group.

Join BYJU'S Learning Program

Assertion :In process of photoelectric emission, all emitted electrons do not have same kinetic energy. Reason: If radiation falling on photosensitive surface of a metal consists of different wavelength then energy wavelengths shall be different.

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for AssertionBoth Assertion and Reason are true; but even it radiation of single wavelength is incident on photosensitive surface, electrons of different KE will be emitted.

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
Both Assertion and Reason are true; but even it radiation of single wavelength is incident on photosensitive surface, electrons of different KE will be emitted.