Recall the previous question and the scenario with Zamir and Talia finding their way through a maze. Why is their displacement t
2 answers:
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Answer:
Explanation:
It is given that,
Initially, the electron is in n = 7 energy level. When it relaxes to a lower energy level, emitting light of 397 nm. We need to find the value of n for the level to which the electron relaxed. It can be calculate using the formula as :
R = Rydberg constant,
Solving above equation we get the value of final n is,
or
So, it will relax in the n = 2. Hence, this is the required solution.
Answer:
Explanation:
Given
mass m collides elastically with floor and jump to its original height I .e.velocity of rebound is same as the initial velocity
Impulse imparted by steel ball to the ground is given by the change in momentum of steel ball
and impulse is product of average force and time
so we need time to calculate the average force. So, option e is correct