by Sunday | Nov 9 | Physics JAMB
A. x-rays B. light energy C. infrared rays D. solar energy Correct Answer: Option C – infrared rays Explanation Inform falling on the skin causes the skin causes the sensation of warmth. since the objects are hot, the correct option is...
by Sunday | Nov 9 | Physics JAMB
A. low density B. low freezing point C. high specific D. low boiling point Correct Answer: Option B – low freezing point Explanation The low freezing point of alcohol, -115°c enables low temperatures to be measured. mercury freezes at 39°c, and cannot be used in...
by Sunday | Nov 9 | Physics JAMB
A. vapour pressure of a fluid B. density of liquid C. relative humidity of a liquid D. relative density of a liquid Correct Answer: Option D – relative density of a liquid Explanation The instrument used in measuring relative density is...
by Sunday | Nov 9 | Physics JAMB
A. a density bottle B. an eureka can C. a pipette D. a burette Correct Answer: Option A – a density bottle Explanation Since relative density = mass of a substance, therefore, the mass of an equal volume of water relative density bottle should be used to...
by Sunday | Nov 9 | Physics JAMB
A. 300 N B. 200 N C. 150 N D. 100 N Correct Answer: Option A – 300 N Explanation Thrust = pressure x area = 100 pa x 3m² = 300 N