1
JEE Main 2025 (Online) 29th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
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If $\lambda$ and $K$ are de Broglie wavelength and kinetic energy, respectively, of a particle with constant mass. The correct graphical representation for the particle will be :

A
JEE Main 2025 (Online) 29th January Morning Shift Physics - Dual Nature of Radiation Question 20 English Option 1
B
JEE Main 2025 (Online) 29th January Morning Shift Physics - Dual Nature of Radiation Question 20 English Option 2
C
JEE Main 2025 (Online) 29th January Morning Shift Physics - Dual Nature of Radiation Question 20 English Option 3
D
JEE Main 2025 (Online) 29th January Morning Shift Physics - Dual Nature of Radiation Question 20 English Option 4
2
JEE Main 2025 (Online) 29th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
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Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion (A) : Electromagnetic waves carry energy but not momentum.

Reason (R) : Mass of a photon is zero.

In the light of the above statements, choose the most appropriate answer from the options given below :

A

Both (A) and (R) are true and (R) is the correct explanation of (A)

B

Both (A) and (R) are true but (R) is not the correct explanation of (A)

C

(A) is false but (R) is true

D

(A) is true but (R) is false

3
JEE Main 2025 (Online) 29th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
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JEE Main 2025 (Online) 29th January Morning Shift Physics - Semiconductor Question 18 English

For the circuit shown above, equivalent GATE is :

A

NOT gate

B

NAND gate

C

AND gate

D

OR gate

4
JEE Main 2025 (Online) 29th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The pair of physical quantities not having the same dimensions is :

A

Angular momentum and Planck's constant

B

Torque and energy

C

Surface tension and impulse

D

Pressure and Young's modulus

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