Answer:

Explanation:
It is given that, the frequency of Ultraviolet radiation is 
We need to find the energy of the photon. The formula for the energy of a photon is given by :

So, the energy of the photon is
.
Answer:
layer B is liquid because of the inner members and layer A is solid because of the outer members
The number 250 mg tablets of Metronidazole that are needed to make 150 ml of suspension containing 100 mg/ml
250mg= 150 ml
what about 100 ml = ? Mg
by cross multiplication
150 ml x 250 mg/100 ml = 60 Mg of 250 mg is needed
Diamond and graphite are made of carbon. So is most of charcoal.