1
COMEDK 2025 Evening Shift
MCQ (Single Correct Answer)
+1
-0
Two physical quantities having the same dimensional formula $\left[\mathrm{M}^1 \mathrm{~L}^{-1} \mathrm{~T}^{-2}\right]$ are
A
Thrust and Strain
B
Moment of force and Thrust
C
Stress and Pressure
D
Work and thrust
2
COMEDK 2025 Afternoon Shift
MCQ (Single Correct Answer)
+1
-0
In the expression $\mathrm{P}=\mathrm{El}^2 \mathrm{~m}^{-5} \mathrm{G}^{-2}$ where $\mathrm{E}, 1, \mathrm{~m}$ and G represent Energy, Angular Momentum, Mass and Gravitational Constant, the dimensions of P are
A
$\left[\mathrm{M}^1 \mathrm{~L}^2 \mathrm{~T}^{-2}\right]$
B
$\left[\mathrm{M}^0 \mathrm{~L}^2 \mathrm{~T}^{-2}\right]$
C
$\left[\mathrm{M}^0 \mathrm{~L}^0 \mathrm{~T}^0\right]$
D
$\left[\mathrm{M}^0 \mathrm{~L}^0 \mathrm{~T}^{-2}\right]$
3
COMEDK 2025 Morning Shift
MCQ (Single Correct Answer)
+1
-0

The nuclear forces

a. are central forces, independent of the spin of the nucleons.

b. have a short-range dominant over a distance of about a few fermi

c. are stronger being hundred times stronger than that of electromagnetic forces.

d. are independent of the nuclear charge.

Which of the above is not true?

A
c
B
a
C
b
D
d
4
COMEDK 2025 Morning Shift
MCQ (Single Correct Answer)
+1
-0
Two light rays A and B travel from a medium into air at angles of incidence 15 degrees and 42 degrees respectively. In the medium, light travels 3 cm in 0.2 ns . Will there be total internal reflection? If so, which ray?
A
No
B
Yes, A
C
Yes, B
D
Yes, Both A and B
COMEDK Subjects
EXAM MAP