E = hf = hc/λ
= (6.6 x 10^-34) × (3 × 10^8) ÷ (3.1 × 10^-7)
=6.138 × 10^-32 J
<span>The precautions which should
be taken on board a vessel during a lightning storm are:</span>
<span>(i) </span>All
electrical equipments should be unplugged.
<span>(ii) </span>Keep
yourself away from all metal parts such as engines, metal tanks, stoves etc.
<span>(iii) </span><span>Stay inside the boat. </span>
In the conservation of mass, mass is never created or destroyed in chemical reactions in the same way water is not created or destroyed it is only transferred from one form to another and its mass is always conserved.
Answer: b
Explanation: did the quiz got it right
The formation of new volcanoes and the eruption of some existing ones already.
