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Physics 9 Chapter 2 - Kinamatics -12
1.
Which of the following gun is light detection?
a) GPS gun
b) LIDAR gun
c) SATCOM gun
d) RIDAR gun
2.
Which of the following instrument is used to measure the speed of a vehicle?
a) None of these
b) Stopwatch
c) LIDAR gun
d) Speed metre
3.
Which of the following is detected by LIDAR gun?
a) Sound
b) Heat
c) Temperature
d) Light
4.
Which of the following is detected by LIDAR gun?
a) Vehicle’s heat
b) Vehicle’s sound
c) Vehicle’s speed
d) Vehicle’s acceleration
5.
Which of the following is detected by LIDAR gun?
a) Both b and c
b) Light
c) Temperature
d) Vehicle’s speed
6.
What data is used to calculate the vehicle’s speed?
a) Both b and c
b) Total change in velocity
c) Vehicle’s distance
d) Time taken
7.
Which velocity a paratrooper attains?
a) Final velocity
b) Initial velocity
c) Average velocity
d) Terminal velocity
8.
With which velocity a paratrooper comes to ground?
a) Initial velocity
b) Terminal velocity
c) Final velocity
d) Average velocity
9.
What is the velocity of a body called during any interval of time has the same magnitude and direction?
a) Terminal velocity
b) Average velocity
c) Uniform velocity
d) Final velocity
10.
What is the velocity of a body called if it covers equal displacement in equal intervals of time however short the interval may be?
a) Initial velocity
b) Uniform velocity
c) Final velocity
d) Average velocity
11.
A sprinter completes its 100 metre race in 12s. Find its average speed?
a) 1200 ms
-1
b) 50 ms
-1
c) 8.55 ms
-1
d) 8.33 ms
-1
12.
A cyclist completes half round of a circular track of radius 318 m in 1.5 minutes. What would be the formula to find the distance covered?
a) Formula: π x circumference
b) Formula: π x area
c) Formula: π x radius
d) Formula: π x diameter
13.
What is the value of π?
a) 3.27
b) 3.33
c) 3.14
d) 3.34
14.
What is the value of π?
a) 22 / 7
b) 23 / 7
c) 24 / 7
d) 21 / 7
15.
A cyclist completes half round of a circular track of radius 318 m in 1.5 minutes. Find the distance covered?
a) 999 m
b) 25.33 m
c) 636 m
d) 318 m
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