physics

Images formed by a convex mirror are always _____?

A. inverted, real and diminished B. inverted, virtual and diminished C. erect, virtual and diminished D. erect, real and magnified…

5 years ago

Which of the following instruments is used to measure relative humidity?

A. Hydrometer B. Barometer C. Manometer D. Hypsometer E. Hygrometer Correct Answer: Option E - Hygrometer

5 years ago

Which of the following best explains why a person suffers a more severe burn when his skin is exposed to steam than when boiling water pours on his skin?

A. Steam is at a higher temperature than boiling water B. Steam possesses greater heat energy per unit mass than…

5 years ago

A gas which obeys Charles’ law exactly has a volume of 283 cm³ at 10°C. What is its volume at 30°C?

A. 142cm³ B. 293cm³ C. 303cm³ D. 566cm³ E. 849cm³ Correct Answer: Option C - 303cm³

5 years ago

Which of the following colours of surfaces will radiate heat energy best?

A. Red B. White C. Black D. Yellow E. Blue Correct Answer: Option C - Black

5 years ago

Which of the following statements is/are correct about water?

I. Pure water freezes at 0°C under normal pressure ll. Water has its highest density at 4°C III. The volume…

5 years ago

A barometer can be used in determining the; Which of the following is/are correct?

I. height of a mountain II. depth of a mine III. dew point. A. I, II and III B. II…

5 years ago