by Sunday | Oct 30 | Physics JAMB
A. Positive charge means deficit electrons B. Negative charge means excess of electrons C. electric current means movement of electrons D. All of the above Correct Answer: Option D – All of the above
by Sunday | Oct 30 | Physics JAMB
A. α- particles and β-rays B. α- particles and X-rays C. α- particles, β – rays and γ-rays D. γ- rays and X-rays Correct Answer: Option C – α- particles, β – rays and γ-rays
by Sunday | Oct 30 | Physics JAMB
A. white light Is an electromagnetic wave B. the prism has all the colours of the white light C. different colours of white light travel with different speeds in glass D. white light has undergone total Internal reflection in the prism Correct Answer: Option C –...
by Sunday | Oct 30 | Physics JAMB
A. High-energy electromagnetic waves B. protons C. neutrons D. streams of electrons Correct Answer: Option D – streams of electrons Explanation Cathode rays are streams of electrons observed in vacuum tubes.