Given below are two statements | Physics | JEE Main 2024

Competishun Header

JEE Main 2024

04-04-2024 S2

Question

Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A : Number of photons increases with increase in frequency of light.
Reason R : Maximum kinetic energy of emitted electrons increases with the frequency of incident radiation.
In the light of the above statements, choose the most appropriate answer from the options given below :

Select the correct option:

A

Both A and R are correct and R is NOT the correct explanation of A.

B

A is correct but R is not correct.

C

Both A and R are correct and R is the correct explanation of A.

D

A is not correct but R is correct.

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Question Tags

JEE Main

Physics

Easy

Start Preparing for JEE with Competishun

Filters 0

Showing 18 questions

QJee Main 20242024

Let the mean and the variance of 6 observation $a, b, 68,44,48,60$ be 55 and 194 , respectively if $a>b$,...

JEE MainMathematicsMedium

View Solution→

QJee Main 20242024

The sum of the solutions $x \in \mathbb{R}$ of the equation $...

JEE MainMathematicsHard

View Solution→

QJee Main 20242024

\text { The area of the region enclosed by the parabola } y=4 x-x^2 \text { and } 3 y=(x-4)^2...

JEE MainMathematicsEasy

View Solution→

QJEE Main 20242024

The current flowing through the $1 \Omega$ resistor is $\frac{n}{10}$ A. The value of $n$ is

JEE MainPhysicsHard

View Solution→

QJEE MAIN 20242024

Consider a $\triangle \mathrm{ABC}$ where $\mathrm{A}(1,2,3), \mathrm{B}(-2,8,0)$ and $\mathrm{C}(3,6,7)$. If the angle bisector of $\angle \mathrm{BAC}$ meets the line $...

JEE MainMathematicsEasy

View Solution→

QJee Main 20242024

Let $\mathrm{f}: \rightarrow \mathrm{R} \rightarrow(0, \infty)$ be strictly increasing function such that $\lim _{\substack{x \rightarrow \infty \\ f(x)}} \frac{f(7 x)}{2}=1$....

JEE MainMathematicsEasy

View Solution→

QJee Main 20242024

Let $r$ and $\theta$ respectively be the modulus and amplitude of the complex number $z=2-i\left(2 \tan \frac{5 \pi}{8}\right)$, then $...

JEE MainMathematicsMedium

View Solution→

QJEE MAIN 20242024

Let $P$ and $Q$ be the points on the line $\frac{x+3}{8}=\frac{y-4}{2}=\frac{z+1}{2}$ which are at a distance of 6 units from...

JEE MainMathematicsEasy

View Solution→

QJEE Main 20242024

The position, velocity and acceleration of a particle executing simple harmonic motion are found to have magnitudes of $...

JEE MainPhysicsMedium

View Solution→

QJEE Main 20242024

A charge q is placed at the center of one of the surface of a cube. The flux linked with...

JEE MainPhysicsEasy

View Solution→

Q Jee Main 20242024

Let $2^{\text {nd }}, 8^{\text {th }}$ and $44^{\text {th }}$, terms of a non-constant A.P. be respectively the $...

JEE MainMathematicsEasy

View Solution→

Q JEE Main 20242024

When a coil is connected across a 20 V dc supply, it draws a current of 5 A . When...

JEE MainPhysicsHard

View Solution→

QJEE-Main 20242024

Let $A$ and $B$ be two finite sets with $m$ and $n$ elements respectively. The total number of subsets of...

JEE MainMathematicsEasy

View Solution→

QJEE-Main 20242024

If $\alpha, \beta$ are the roots of the equation, $x^2-x-1=0$ and $S_n=2023 \alpha^n+2024 \beta^n$, then

JEE MainMathematicsEasy

View Solution→

QJEE Main 20242024

A sample of gas at temperature T is adiabatically expanded to double its volume. Adiabatic constant for the gas is...

JEE MainPhysicsEasy

View Solution→

QJEE Main 20242024

Two persons pull a wire towards themselves. Each person exerts a force of 200 N on the wire. Young's modulus...

JEE MainPhysicsMedium

View Solution→

QJEE MAIN 20242024

Let $m$ and $n$ be the coefficients of seventh and thirteenth terms respectively in the expansion of $\left(\frac{1}{3} X^{\frac{1}{3}}+\frac{1}{2 X^{\frac{2}{3}}}\right)^{18}$....

JEE MainMathematicsEasy

View Solution→

QJee Main 20242024

The temperature $\mathrm{T}(\mathrm{t})$ of a body at time $\mathrm{t}=0$ is $160^{\circ} \mathrm{F}$ and it decreases continuously as per the differential...

JEE MainMathematicsMedium

View Solution→