Which of the following descriptions of the image formed by a plane mirror is not correct. the image is?

3 years ago

A. erect and of the same size as the object B. laterally inverted and of the same size as the…

A freely suspended compass needle on the earth’s surface settles in a plane called?

3 years ago

A. geographic meridian B. magnetic meridian C. magnetic declination D. isoganals Correct Answer: Option B - magnetic meridian Explanation The…

Which of the following statement(s) is/are correct about a fixed mass of gas compressed in an inexpansible container

3 years ago

I. The average speed of the molecules increases II. The temperature of the gas increases III. The molecules hit the…

An example of a mechanical wave is?

3 years ago

A. water waves B. radio waves C. x-rays D. light rays Correct Answer: Option A = water waves Explanation A…

The joule is equivalent to?

3 years ago

A. Kg m2 s-1 B. Kg2 m s-2 C. Kg m2 s-2 D. Kg m s-1 Correct Answer: Option C…

Which of the illustrated graphs above represents a body moving with uniform retardation?

3 years ago

A. A B. B C. C D. D Correct Answer: Option D = D Explanation If a body moves with…

The linear expansivity α; and cubic expansivity γ; of a material are related by the equation?

3 years ago

A. γ=a B. γ=3α C. γ=2a D. γ=1/3α Correct Answer: Option B - γ = 3α Explanation cubic and linear…