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2 answers:
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Answer:
1.4584 kg
Explanation:
Time period of a physical pendulum is given by
Here f=0.290 so
Mass =2.40 kg
d=0.300 m
g =9.8 m
So kg-
So the moment of inertia of the pendulum about the pivot point will be 1.4584 kg-
Answer:
0.212V
Explanation:
The induced emf in circular loop is
N = Number of loops = 15
A = Cross sectional Area = = 0.0009
dB = change in magnetic Field = 0-0.5 = -0.5
dt = time taken = 0.1sec
= 0.212V
Answer:
B)Diffraction
Explanation:
The concept of diffraction in the field of physics is defined as the deflection of a wave when it crosses an opening or hits the edge of an opaque element. Diffraction is a phenomenon that involves all waves: electromagnetic, radio, sound, etc., and it is possible to predict their behavior using different mathematical approaches. There is a method of analysis called the Huygens principle, which allows us to understand diffraction as a wavefront that is seen as a series of emitters capable of redirecting the wave when it oscillates and thus promotes propagation. Although the waves produced by the oscillators are spherical, their interference causes a flat wave that moves in the same direction as the initial one.
