Answer: A
Explanation: Since particles in solids are more tightly bound together than the particles in gases, mechanical waves can propagate more quickly through solids. ... Since electromagnetic waves do not require a medium to pass through, they are faster in matter that has fewer particles.
Explanation:
Formula for finding power : 1/f
Substitution of values:
1 /13.3 = 0.07518 cm
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Answer:
B) is perpendicular to the magnetic field
<span>Our verbal and nonverbal (LANGUAGE) provides clues to our attitude on a given topic.</span>
Answer:
we know,
Power=work done\time taken
=10\2
=5 watt