Question

Which of the following is never true for cathode rays ? a) They possess kinetic energy. b) They are electromagnetic waves. c) They produce heat. d) They produce mechanical pressure.

Answer 1

Answer:

Digestion of food is a Q irreversible change. ( ) 2. Rusting of iron is a reversible change. ( ) 3. Melting of wax is a reversible change. ( ) 4. Curding of milk ...

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Answer 2

answer (b) I hope this answer is helpful