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Test: Motion & Time - UPSC MCQ


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10 Questions MCQ Test Science & Technology for UPSC CSE - Test: Motion & Time

Test: Motion & Time for UPSC 2024 is part of Science & Technology for UPSC CSE preparation. The Test: Motion & Time questions and answers have been prepared according to the UPSC exam syllabus.The Test: Motion & Time MCQs are made for UPSC 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Motion & Time below.
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Test: Motion & Time - Question 1

Change in position with respect to the surroundings is called

Detailed Solution for Test: Motion & Time - Question 1

Change in position of a body with respect to its surrounding is called as motion.

Test: Motion & Time - Question 2

The earliest clocks for measuring time during day were

Detailed Solution for Test: Motion & Time - Question 2

Sundials were used for measuring time in earlier days on the basis of shadow position.

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Test: Motion & Time - Question 3

The speed of the vehicle is recorded by

Detailed Solution for Test: Motion & Time - Question 3

The speed of vehicle at particular point of time is recorded by speedometer fitted on the dashboard of vehicle.

Test: Motion & Time - Question 4

The basic unit of speed is:

Detailed Solution for Test: Motion & Time - Question 4

The basic unit of distance is metre (m). The basic unit of time is second (s). Since we know that s=d/t. Therefore, the basic unit of speed is m/s.

So option D is the correct answer. 

Test: Motion & Time - Question 5

S.I unit of time is

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S.I. unit of time is second.

Test: Motion & Time - Question 6

Speed time graph is straight line for

Detailed Solution for Test: Motion & Time - Question 6

Speed time graph is straight line for uniform motion of the body.

Test: Motion & Time - Question 7

The rate of change of motion in a specified direction

Detailed Solution for Test: Motion & Time - Question 7

- Velocity is the correct answer.
- It represents the rate of change of an object's position in a specific direction.
- Velocity is a vector quantity, meaning it has both magnitude (speed) and direction.
- It indicates how fast an object is moving and in which direction.
- Unlike speed, which is scalar and only measures how fast something moves, velocity specifically accounts for direction, making it crucial for describing motion in physics accurately.

Test: Motion & Time - Question 8

A car is moving with 72 km/hrs. The speed of the car in m/s is

Detailed Solution for Test: Motion & Time - Question 8

 We know , 
1 km=1000m , 1 hour=3600s
1km/h=1000/3600m/s=5/18m/s
72km/h=72×5/18m/s
=4×5m/s
=20m/s.

Test: Motion & Time - Question 9
Which of the following motions is characterized by an object moving back and forth along the same path?
Detailed Solution for Test: Motion & Time - Question 9
Oscillatory motion involves an object moving to and fro about a fixed point, such as the motion of a pendulum or the hands while running.
Test: Motion & Time - Question 10

If a simple pendulum completes 20 oscillations in 32 seconds, what is its time period?

Detailed Solution for Test: Motion & Time - Question 10

Time period = Total time taken/Number of oscillations
= 32s/20
=1.6 s
Time period = 1.6 s

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