JEE Main

AI Gen: Dual Nature of Matter question bank (Physics)

Practice 24 free JEE Main Physics - AI Gen: Dual Nature of Matter questions with answers and step-by-step solutions.

Start free Book a demo

All Easy

Q1.

The work function of a metal is $4.0\text{ eV}$. Light of wavelength $310\text{ nm}$ is incident on this metal surface. What is the maximum velocity of the emitted photoelectrons? (Given $hc = 1240\text{ eV nm}$, mass of electron $m = 9.1 \times 10^{-31}\text{ kg}$):

Topic: Dual Nature of Matter | Source: AI Generated (JEE Main)

(A)

$1.0 \times 10^6\text{ m/s}$

(B)

$2.0 \times 10^5\text{ m/s}$

(C)

$1.5 \times 10^6\text{ m/s}$

(D)

$0$ (No emission)

Show answer & solution

Verified Answer & Solution Locked

Q2.

An electron and a proton are accelerated through the same potential difference $V$. The ratio of their de Broglie wavelengths ($\lambda_e / \lambda_p$) is:

Topic: Dual Nature of Matter | Source: AI Generated (JEE Main)

(A)

$\sqrt{\frac{m_p}{m_e}}$

(B)

$\sqrt{\frac{m_e}{m_p}}$

(C)

$1$

(D)

$\frac{m_p}{m_e}$

Show answer & solution

Verified Answer & Solution Locked

Protected Questions

Unlock All 24 Questions in AI Gen: Dual Nature of Matter

Log in or sign up free to access every question with complete solutions, create chapter practice tests, and track your performance.

Sign up free to access all 24 questions

Unlock every AI Gen: Dual Nature of Matter question, generate papers, and practice at your own pace.

Start free