I. Ripples on water II. Sound waves in air III. Light waves from the sun A. II only B. I…
A. Long sight B. Astigmatism C. Presbyopia D. Glaucoma E. Short sight Correct Answer: Option A - Long sight
A. 2cm B. 4cm C. 15cm D. 25cm E. 100cm Correct Answer: Option B - 4cm
A. Inverted and magnified B. at the principal focus C. real and diminshed D. Erect and virtual E. at the…
A. Dew point B. Temperature C. Relative density D. Relative humidity E. Vapour pressure Correct Answer: Option D - Relative…
A. stores the steam for future use B. prevents the steam from escaping C. ensures that only dry steam gets…
A. 1:3 B. 3:1 C. 3:7 D. 7:3 E. 15:8 Correct Answer: Option A - 1:3
A. Hydrometer B. Ratemeter C. Barometer D. Photometer E. Manometer Correct Answer: Option C - Barometer
A. 81°C B. 162°C C. 354°C D. 627°C E. 900°C Correct Answer: Option D - 627°C
The ice and steam points on a mercury in glass thermometer are found to be 90mm apart. What temperature is…