Jamb Physics Past Questions For Year 2015
Question 22
The external parts of an object can be measure accurately through the use of which scientific instrument?
- A. Micrometer screw gauge
- B. Vernier Caliper
- C. Meter rule
- D. None of the instrument
Question 23
What is the relationship mechanical advantage (MA) velocity Ratio (V.R) and efficiency with percentage?
- A. e = M.A/V.R Ã 100 %
- B. M.A = E.V.R
- C. V.R = 1 ÷ sin θ M.A
- D. M.A = 1/E Ã 100%
Question 24
Quantities of heat Q can be measured using a container called
- A. Thermometer
- B. Measuring cylinder
- C. Calorimeter
- D. Meter rule
Question 25
Heat transfer in the surrounding without a material medium is possible through?
- A. Conduction
- B. Convection
- C. Radiation
- D. Expansion