1st law of motion gives the definition of _________________________?
1st law of motion gives the definition of _________________________?
A. rest
B. motion
C. velocity
D. force
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The Branch of Physics deals with highly energetic ions is called__________?
The Branch of Physics deals with highly energetic ions is called__________?A. Elementary articles
B. Article physics
C. Ionic physics
D. Plasma physicsThe thrust on the rocket in the absence of gravitational force of attraction is__________________?
The thrust on the rocket in the absence of gravitational force of attraction is__________________?A. Constant
B. not constant
C. constant if the rate of ejected gases is constant
D. constant for short range rocket.According to Einstein, the gravitational interaction is possible between_______________?
According to Einstein, the gravitational interaction is possible between_______________?A. material objects only
B. material objects and electromagnetic radiation only
C. electromagnetic radiations
D. none of the aboveWhich one of the following material is most suitable for making core of an electromagnet ?
Which one of the following material is most suitable for making core of an electromagnet ?A. air
B. steel
C. Cu-Ni alloy
D. soft ironAt which angle the range of the projectile is maximum____________________?
At which angle the range of the projectile is maximum____________________?A. 45
B. 60
C. 30
D. noneWhat is the force of attraction between any two bodies by virtue of their masses is called?
What is the force of attraction between any two bodies by virtue of their masses is called?A. Electromagnetic Force
B. Gravitational Force
C. Centripetal Force
D. Nuclear Force