DNA is found mainly in the nucleus of the cell, while RNA is found mainly in the cytoplasm of the cell although it is usually synthesized in the nucleus.
Answer:

Explanation:
Given:
- Length of the beam,

- speed of the beam,

- magnitude of the vertical magnetic field,

According to the Faraday's law the emf induced in a rod passing transversely through a magnetic field is given as:



Direction and Strength can be measured of force
Answer:
I believe it's the first option
(10 waves) / (5 sec)
= (10/5) (wave/sec)
= 2 per sec
= 2 Hz .