The sun appears red at sunrise and sunset while it appears white at noon, because...? Mcqs

Latest MCQs

The sun appears red at sunrise and sunset while it appears white at noon, because...?

(A) Of refraction
(B) It is cooler at sunrise and at sunset

(C) Of diffraction leading to red end of the spectrum reaching the earth.
(D) Of Scattering of light due to dust particles and air molecules.

Comments
Latest MCQs

The angle of incidence of a ray for which the angle of refraction is 90° is called ____...?

(A) Refracted Angle
(B) Critical Angle

(C) Incident Angel
(D) Angle of Deviation

Comments
Latest MCQs

Acid deposition causes ______________________...?

(A) the greenhouse effect to lessen
(B) lakes and forests to die

(C) acid indigestion in humans
(D) all the above are correct

Comments
Latest MCQs

Which of the following constituents of pollutant exhaust in hazardous to man...?

(A) Carbon monoxide
(B) Carbon dioxide

(C) Lease particles
(D) Carbon particles

Comments
Latest MCQs

Which of the following mixture of gases is required in gas welding...?

(A) Oxygen and ethylene
(B) Oxygen and hydrogen

(C) Acetylene and oxygen
(D) Acetylene and hydrogen

Comments
Latest MCQs

Which of the following is used as a fuel to produce heat energy...?

(A) Biomass Energy
(B) Solar Energy

(C) Hydro Energy
(D) Wind Energy

Comments
Latest MCQs

Which chamber of human heart pumps fully oxygenated blood to aorta and hence to the body:...?

(A) Right Auricle
(B) Left Auricle

(C) Right Ventricle
(D) Left Ventricle

Comments
Latest MCQs

Two bulbs are connected in a series circuit. One bulb blows (blast), what will happen to the other bulb...?

(A) Will glow brighter
(B) Also blow (blast)

(C) Remains same
(D) Will glow dimmer

Comments
Latest MCQs

The major part of natural gas, petroleum and coal consists of...?

(A) Carbon
(B) Chlorine

(C) CFC
(D) Methane

Comments
Latest MCQs

Weather and climate are driven by what source(s) of energy ...?

(A) Earth’s internal heat
(B) Solar radiation

(C) Gravity
(D) Both (a) and (c)

Comments

Best of Luck

From ShineGk.com

Share our website's link