Question

how to measure the highest and lowest temperatures of a place by using Six's maximum and minimum thermometer
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Answer 1

Answer:

It is used for measuring the day's maximum and minimum temperature.

It consists of a U-shaped capillary tube with bulbs at both ends.

Answer 2

Answer:

For normal incidence on a plane mirror identify which of these statements are true --

(I) Both the angles of incidence and reflection are 0 degree .

(II) Both the angles of incidence and reflection are 90 degree .

(III) The angles that both the incident ray and the reflected ray make with the mirror surface are 0 degree .

(IV) The angles that both the incident ray and the reflected ray make with the mirror surface are 90 degree ..

A) Only (I) is true .

B) Only (II) is true .

C) Both (I) and (III) are true .

D) Both (I) and (IV) are true ✔