JEE Main Physics Test- 12 - JEE MCQ
30 Questions MCQ Test Mock Tests for JEE Main and Advanced 2025 - JEE Main Physics Test- 12
The length, breadth and thickness of a rectangular sheet of metal are 4.234 m, 1.005 m and 2.01cm. The volume of the sheet to correct significant figures is:
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V is: Figure shows three vecotrs 
where R is the midpoint of PQ. Then which of the following
relation is correct ?
If vectors 
and 
are inclined to each other at angle 
then 
is
to each other then
If a 
c=0and |a|=1 , |
|= 1 and |c|= 
then angle between a and b is
makes with the coordinate axes are
and 
then 
is parallel to
a-t graph for a particle moving in a straight line is as
shown in figure. Change in velocity of the particle from t = 0 to t = 6s is
An insect crawls a distance of 4m along north in 10seconds and then a distance of 3 m along east in 5seconds. The average velocity of the insect is
Let 
and 
denote the velocity and acceleration respectively of a particle in one dimensional motion
A stone is projected with a velocity 
at an angle of 
to the horizontal. The average velocity of stone during its motion from starting point to its maximum height is (Take 
Given that g = 
what is the range of the projectile
Which one of the following is constant in a projectile motion ?
At the uppermost point of a projectile its velocity and acceleration are at an angle of
The maximum range of a gun on horizontal terrain is1.0 km. If g =10 
what must be the muzzle velocity of the shell
Block B moves to the right with a constant velocity 
The velocity of body A relative to B is
A block of mass m is at rest on an inclined surface having a coefficient of friction 
as shown in the figure. The horizontal acceleration which shouldbe given to the inclined plane, that the force of friction between the block and the plane become zero, is
A block of weight 5N is pushed against a vertical wall by a force 12 N. The coefficient of friction between the wall and block is 0.6. The magnitude of the force exerted by the wall on the block is
When a force F acts on a body of a mass m, the acceleration produced in the body is a. If three equal forces F1 = F2 = F3 = F act on the same body as shown in figure. The acceleration produced is
A force vector applied on a mass is represented by 
and accelerates with a 
What is the mass of the body
A monkey of mass 20 kg is holding a vertical rope.The rope will not break when a mass of 25 kg is suspended from it but will break if the mass exceeds 25 kg. What is the maximum acceleration with which the monkey can climb up along the rope ?(g=10 
A. If both Assetion and Reason are true and the Reason is correct explanation of the Assertion
B. If both Assertion and Reason are true, but Reason is not correct explanation of the Assertion
C. If Assertion is true, but the Reason is false
D. If Assertion is false, but the Reason is true
Assertion : nm is not same as mN.
Reason : 1 nm =
m and 1m N = 
A. If both Assetion and Reason are true and the Reason is correct explanation of the Assertion
B. If both Assertion and Reason are true, but Reason is not correct explanation of the Assertion
C. If Assertion is true, but the Reason is false
D. If Assertion is false, but the Reason is true
Assertion : Method of dimensions cannot be used for deriving formulae containing trigonometrical ratios
Reason : This is because trigonometrical ratios have no dimensions
A. If both Assetion and Reason are true and the Reason is correct explanation of the Assertion
B. If both Assertion and Reason are true, but Reason is not correct explanation of the Assertion
C. If Assertion is true, but the Reason is false
D. If Assertion is false, but the Reason is true
Assertion : The dimensional formula of surface tension is same as that for tension
Reason : Tension is force and surface tension is force per unit length
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357 docs|148 tests
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357 docs|148 tests
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