physics

Which of the following has the lowest internal resistance when new?

A. Leclanche cell B. Daniell cell C. Torch battery D. Accumulator Correct Answer: Option D - Accumulator

5 years ago

In the diagram given if the atmospheric pressure is 760mm; the pressure in the chamber G Is?

A. 660mm B. 890mm C. 690mm D. 860mm Correct Answer: Option B = 890mm

5 years ago

Which of the following may be used to explain a mirage?

I. Layers of air near the road surface have varying refractive indices in hot weather II. Road surfaces sometimes become…

5 years ago

Which of the following statements are TRUE of isotopes?

I. Isotopes of an element have the same chemical properties because they have the same number of electrons II. Isotopes…

5 years ago

Which of the following obeys Ohm’s law?

A. all metals B. diode only C. all electrolytes D. glass Correct Answer: Option A - all metals

5 years ago

Shadows and eclipses result from the?

A. refraction of light B. reflection of light C. diffraction of light D. rectilinear propagation of light Correct Answer: Option…

5 years ago

The amount of heat needed to raise the temperature of 10kg of Copper by 1K is its?

A. specific heat capacity B. latent heat C. heat capacity D. internal energy Correct Answer: Option C - heat capacity…

5 years ago

A man walks 1km due east and then 1 km due north His displacement?

A. √2km N 45°E B. 1km N 30°E C. 1km N 15°E D. √2km N 60°E Correct Answer: Option A…

5 years ago

Which of the following does NOT describe the Image formed by a plane minor?

A. Erect B. Laterally inverted C. Same distance from mirror as object D. Magnified Correct Answer: Option D - Magnified…

5 years ago