Kinematics-Average Speed and Instantaneous Velocity [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Physics]: Questions 1 - 3 of 143
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Question 1
Question Assertion-Reason▾
Assertion(Ꭺ)
The velocity of a body A relative to the body B is the sum of the velocities of bodies A and B if both travel in opposite direction on a straight line.
Reason(Ꭱ)
The velocity of a body A relative to the body B is the difference of the velocities of bodies A and B if both travel in opposite direction on a straight line.
Choices
Choice (4) | Response | |
---|---|---|
a. | Ꭺ is false but Ꭱ is true | |
b. | Ꭺ is true but Ꭱ is false | |
c. | Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ | |
d. | Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ |
Question 2
Question MCQ▾
A train of 150 meter length is going towards north direction at a speed of 10 m/s. A parrot flies at the speed of 5 m/s towards south direction parallel to the railway track. The time taken by the parrot to cross the train is
Choices
Choice (4) | Response | |
---|---|---|
a. | 15 sec | |
b. | 8 sec | |
c. | 12 sec | |
d. | 10 sec |
Question 3
Question MCQ▾
A train is moving towards east and a car is along north, both with same speed. The observed direction of car to the passenger in the train is
Choices
Choice (4) | Response | |
---|---|---|
a. | East-north direction | |
b. | South-east direction | |
c. | West-north direction | |
d. | Question does not provide sufficient data or is vague |