QuickLearn Ethiopia
Physics multiple choice questions and answers 1.Light year is a unit of _ a)time b) light c)intensity of light d) distance Answer d 2.The speed of light will be minimum while passing through ___ a) water b)air c)vacuum d)glass Answer d 3.The starsβ¦
For more join this channel https://t.me/bestchannelstudy
Telegram
BEST STUDY
Welcome to our channel
Ready to test your knowledge? We have daily quizzes on:
π Maths π English π Chemistry
π Biology π Physics π Economics
π Geography π General Knowledge
https://telega.io/c/bestchannelstudy
β Aptitude
Owner: @Ryn39
Ready to test your knowledge? We have daily quizzes on:
π Maths π English π Chemistry
π Biology π Physics π Economics
π Geography π General Knowledge
https://telega.io/c/bestchannelstudy
β Aptitude
Owner: @Ryn39
Forwarded from BEST STUDY
Which one of the following is not correct about the concept &units of coefficient of friction?(UEE 2013/14)
Anonymous Quiz
24%
The coefficient of friction is always less or equal to unity (1)
26%
Coefficient of static friction has no unit
43%
Coefficient of static friction is less than it's value of kinetic Friction
7%
Coefficient of is the ratio of frictional force to normal force
Forwarded from BEST STUDY
Dynamics is a branch of mechanics concerned with the motion of an object (UEE 2013/14)
Anonymous Quiz
13%
Whose velocity is constant
24%
Without it's cause
18%
Under the cause of balance forces
44%
Under the cause of force
Forwarded from BEST STUDY
Identify the correct statement about energy ,work &force
Anonymous Quiz
11%
Energy cannot be posses by an object at rest
4%
Machine can multiply energy but not force
64%
Force is vector whereas work &energy scalar
20%
Work is said to be done a whenever the force is exerted on an object
Forwarded from BEST STUDY
The momentum of a rotating object is defined as the product of its (UEE 2016)
Anonymous Quiz
26%
Mass&angular velocity
21%
Momentum of inertia &the square of the angular velocity
51%
Momentum of inertia &angular velocity
2%
Mass&one-half of the square of the angular velocity
Forwarded from BEST STUDY
Which one of the following factors does NOT affect the momentum of inertia of an object?(2016)
Anonymous Quiz
18%
The axis about which the object is rotating
18%
The size of the object
50%
The angular speed of the object
14%
Mass of the object
Forwarded from BEST STUDY
The rotational analogue of mass is :
Anonymous Quiz
56%
Momentum of inertia
15%
Angular momentum
17%
Torque
12%
angular acceleration
Forwarded from BEST STUDY
What is the measure of the distribution of the mass of a body in relation to its axis of rotation?
Anonymous Quiz
37%
Torque
43%
Momentum of inertia
15%
Angular momentum
4%
Angular speed
Forwarded from BEST STUDY
The angular velocity of fly wheel is 8 rad/s .what will be the angular displacement of fly wheel in pi s?
Anonymous Quiz
29%
4 rev
21%
8 rad/s
35%
8 pi rev
15%
4 rad
Forwarded from BEST STUDY
A particle moves in a circle of radius r with an Angular velocity w &an Angular acceleration. What is the Centripetal acceleration?
Anonymous Quiz
10%
@r
10%
Wr
46%
W^2r
33%
Wr^2
Forwarded from BEST STUDY
Angular velocity defined as the time rate
Anonymous Quiz
68%
Of change of angular position
7%
At which the amount of inertia changes
16%
Of change of distance
9%
Of change of tangential distance
Forwarded from BEST STUDY
All electromagnetic waves travel with the same speed in
Anonymous Quiz
79%
Vacuum
6%
Water
11%
Mirror
4%
Air
Forwarded from BEST STUDY
An example of a body moving with constant speed but still accelerating is
Anonymous Quiz
31%
A body moving on a straight road
13%
A body moving on a straight railway track
51%
A body moving in a circular
5%
A body falling in a viscous
Forwarded from BEST STUDY
A voltmeter should be connected in parallel across a resistor in a circuit because
Anonymous Quiz
10%
It measure current
13%
It requires high current
41%
It's resistance is very small
36%
It's resistance is very high
Forwarded from BEST STUDY
Which one is not factors affect of laminar fluid flow
Anonymous Quiz
38%
Temperature
23%
Viscosity
27%
Density of solid object
13%
Speed of liquid
Forwarded from BEST STUDY
Forwarded from BEST STUDY
What is the name given to the spreading of wave when they pass through a gap or around an obstacle?
Anonymous Quiz
10%
Reflection
55%
Diffraction
24%
Refraction
10%
Interference
Forwarded from BEST STUDY
Atmospheric pressure increases is
Anonymous Quiz
17%
Air density decreases
51%
Altitude decreases
21%
Air temperature increases
11%
Latitude decreases