When a yellow card is observed through a blue glass, the ...
When a yellow card is observed through a blue glass, the card would appear.
black
green
red
white
Correct answer is A
No explanation has been provided for this answer.
The diagram above shows a plank RS pivoted its center of gravity O and is in equilibrium with the we...
The ability of the eye to focus on objects at various distances is known as ...
A 500W heater is used to heat 0.6kg of water from 25oC to 100oC in t2 seconds. If another 1000W heat...
A ray of light incident at an angle \(\theta\) in a rectangular prism grazes the surface of the pris...
Which of the following conclusion(s) can be drawn from Newton’s second law of motion? Force is pro...
A converging lens of focal length 5cm forms a virtual image which is 10cm from the lens. How far fro...
When a charge moves through an electric circuit in the direction of an electric force, it ...
A piece of substance of specific head capacity 450JKg-1K-1 falls through a vertical distance of 20m ...
Total internal reflection occurs when light moves from? ...
The distance between the fixed points of a mercury-in-glass thermometer is 30 cm. Determine the temp...
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