Which of the following obeys Ohm’s law?

5 years ago

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

Shadows and eclipses result from the?

5 years ago

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

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

5 years ago

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

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

5 years ago

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

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

5 years ago

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

Which of the following is true of an electrical charge?

5 years ago

A. Positive charge means deficit electrons B. Negative charge means excess of electrons C. electric current means movement of electrons…

Natural radioactivity consists of the emission of?

5 years ago

A. α- particles and β-rays B. α- particles and X-rays C. α- particles, β - rays and γ-rays D. γ-…

A narrow beam of white light can be split up into different Colours by a glass prism. The correct explanation is that?

5 years ago

A. white light Is an electromagnetic wave B. the prism has all the colours of the white light C. different…