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SCI-324-SERBO-MODERN-PHYSICS Flashcards | StudBud
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SCI-324-SERBO-MODERN-PHYSICS
SCI-324-SERBO-MODERN-PHYSICS
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1
16. Inertial frame is applicable to Newton's 2nd law of motion.
True
False
2
15. Henry Cavendish proposed the proportionality constant with a value of?
-6.67x10-11 (N)(M)2/ kg 2
6.67x10-11 (N)(M)2/ kg 2
6.27x10-11 (N)(M)2/ kg 2
-6.27x10-11 (N)(M)2/ kg 2
3
14. Motion can be changed in 3 different ways EXCEPT?
change in direction of travel.
change in both speed and direction.
change in speed.
change in destination
4
3. Which phenomena is anchored by Einstein's theory of special relativity?
Dark Matter
Black hole
Wave-particle duality
Time Dilation
5
12. What concept describes the phenomenon that states " the faster you move in space the slower the time"?
TIME DILATION
TWIN PARADOX
LORENTZ' FORCE
LENGTH CONTRACTION
6
11. It is the term used for the sum of all individual forces acting on an object.
NET FORCE
APPLIED FORCE
KINETIC FORCE
EXTERNAL FORCE
7
10. If the mass is unknown but the force is given, what fixed value of acceleration should be used?
1.6×10−19 m/s2
3x108 m/s
-9.8 m/s
9.8 m/s2
8
7. What law of Newton states that "an object at rest remains at rest unless acted upon by an external force"?
1st law
Law of Universal Gravitation
2nd law
3rd law
9
20. The Principle of Relativity states that "all laws of nature are the same in all inertial frames of reference."
False
True
10
4. It deals with post-Newtonian concepts in physics.
Newtonian Mechanics
Modern physics
Galilean Relativity
Classical Physics
11
18. The Galilean Transformation concept is a phenomenon that applies to objects traveling equal to the speed of light.
False
True
12
1. Which fundamental entity is responsible for transmission of EM force?
photon
neutron
electron
proton
13
8. What law of Newton states that "for every action, there is always an equal and opposite reaction"?
Law of Universal Gravitation
2nd law
3rd law
1st law
14
13. Inertial frame of reference occurs under what certain conditions3
when an object doesn't change direction and is accelerating
when an object doesn't change its direction and is not accelerating
when an object accelerates and changes direction
when an object doesn't accelerate, but changes direction.
15
6. Which of the following is not one of Newton's laws of motion?
Law of Action-reaction
Law of Gravitation
Law of Inertia
Law of Acceleration
16
9. What law of Newton states that the "net force of an object is equal to its mass and acceleration"?
2nd law
1st law
Law of Universal Gravitation
3rd law
17
17. Special relativity states that the speed of light in a vacuum is constant for all observers.
False
True
18
2. Quantum mechanics believe that energy is emitted or absorbed in discrete packets called?
quantity
quanta
gluons
gravity
19
19. According to Einstein, motion is absolute and not relative.
True
False
20
5. He is known as the "Father of Modern Physics".
Galileo Galilei
Albert Einstein
Clerk Maxwell
Isaac Newton