The number of perpendicular components of a vec...
The number of perpendicular components of a vector is:
1 | |
4 | |
3 | |
2 |
All Question of 9th Class
9th Class
User login
Which of the following is a vector quantity?
Which of the following is a vector quantity?
Distance | |
Displacement | |
Speed | |
Power |
Amount of a substance in terms of number is mea...
Amount of a substance in terms of number is measured in:
Gram | |
Kilogram | |
Mole | |
Newton |
The value of 'g' at moon is.
The value of 'g' at moon is:
9.8 ms-2 | |
1.6 ms-2 | |
1.7 ms-2 | |
10 ms-2 |
A body is in equilibrium when its.
A body is in equilibrium when its.
Acceleration is uniform | |
Acceleration is zero | |
Speed is uniform | |
Speed and acceleration are uniform |
In isolated system the momentum after collision...
In isolated system the momentum after collision of two bodies is:
Increases | |
Decreases | |
Constant | |
Zero |
The number of forces that can be added by head ...
The number of forces that can be added by head to tail rule is:
3 | |
2 | |
4 | |
Any Number |
The unit of momentum is.
The unit of momentum is:
Ns-1 | |
Nm | |
kg ms-1 | |
kg ms-2 |
The motion of body in straight line is.
The motion of body in straight line is:
Translatory motion | |
Circular motion | |
Random motion | |
Linear motion |
Least count of vernier callipers is.
Least count of vernier callipers is:
0.1 mm | |
1 mm | |
1 cm | |
0.01 cm |
The kinetic energy of a body of mass 2 Kg is 25...
The kinetic energy of a body of mass 2 Kg is 25 J. Its speed will be.....
12.5 ms-1 | |
5 ms-1 | |
50 ms-1 | |
25 ms-1 |
The orbital speed of a low orbit satellite is.
The orbital speed of a low orbit satellite is:
80 ms-1 | |
8000 ms-1 | |
8 ms-1 | |
800 ms-1 |
The net torque acting on a rotating body with u...
The net torque acting on a rotating body with uniform speed is:
1 | |
2 | |
5 | |
0 |
Which of following material lowers friction whe...
Which of following material lowers friction when pushed between metal plates:
Water | |
Marble power | |
Air | |
Oil |
Newton first law of motion is valid only in the...
Newton first law of motion is valid only in the absence of :
Momentum | |
Force | |
Friction | |
Torque |
The motion of an object about its own axis is.
The motion of an object about its own axis is:
Rotatory motion | |
Translatory motion | |
Circular motion | |
Vibratory motion |
The Moon completes its one revolution around th...
The Moon completes its one revolution around the earth in:
27.3 Days | |
25.3 Days | |
31.3 Days | |
29.3 Days |
By dividing displacement of a moving body with ...
By dividing displacement of a moving body with time, we obtain.
Speed | |
Acceleration | |
Velovity | |
Declaration |
Which is the smallest quantity?
Which is the smallest quantity?
0.01 g | |
5000 ng | |
100µg | |
2 mg |
Kinetic energy is directly proportional to the ...
Kinetic energy is directly proportional to the velocity of a body:
Four times | |
Three times | |
Two times | |
Square |