Electromagnetism
Current Electricity
MCQ (Single Correct Answer)
Moving Charges and Magnetism
MCQ (Single Correct Answer)
Magnetism and Matter
MCQ (Single Correct Answer)
Electromagnetic Induction
MCQ (Single Correct Answer)
Alternating Current
MCQ (Single Correct Answer)
Electromagnetic Waves
MCQ (Single Correct Answer)
Modern Physics
Dual Nature of Radiation
MCQ (Single Correct Answer)
Semiconductor Devices and Logic Gates
MCQ (Single Correct Answer)
Communication Systems
MCQ (Single Correct Answer)
1
COMEDK 2023 Evening Shift
MCQ (Single Correct Answer)
+1
-0

A drone is flying due west, a little above the train, with a speed of $$10 \mathrm{~m} / \mathrm{s}$$. A 270 meter long train is moving due east at a speed of $$20 \mathrm{~m} / \mathrm{s}$$. The time taken by the drone to cross the train is

A
27 s
B
13.5 s
C
20 s
D
9 s
2
COMEDK 2022
MCQ (Single Correct Answer)
+1
-0

The displacement $$x$$ of a particle in a straight line motion is given by $$x=1-t-t^2$$. The correct representation of the motion is

A
COMEDK 2022 Physics - Motion Question 12 English Option 1
B
COMEDK 2022 Physics - Motion Question 12 English Option 2
C
COMEDK 2022 Physics - Motion Question 12 English Option 3
D
COMEDK 2022 Physics - Motion Question 12 English Option 4
3
COMEDK 2022
MCQ (Single Correct Answer)
+1
-0

Two guns P and Q can fire bullets at speeds 2 km/s and 4 km/s, respectively. From a point on a horizontal ground, they are fired in all possible directions. The ratio of maximum or areas covered by the bullets fired by the two guns, on the ground is

A
1 : 2
B
1 : 4
C
1 : 8
D
1 : 16
4
COMEDK 2022
MCQ (Single Correct Answer)
+1
-0

A car is moving with a speed of 54 km/h. If after 3 s, the driver applies brakes and it stops, then how much distance is covered by the car before coming to rest?

A
22.5 m
B
20 m
C
25 m
D
45.2 m
COMEDK Subjects