Which of the following is obtained when a magenta is mixed with green colour?
Yellow
Blue
White
Red
Correct answer is C
No explanation has been provided for this answer.
Shadows and eclipse result from the
Reflection of light
Rectilinear propagation of light
Diffraction of light
Refraction of light
Correct answer is B
No explanation has been provided for this answer.
13.300m
0.750m
1.013m
1.330m
Correct answer is D
n = \(\frac{\text {Read depth}}{\text{Apparent depth}}\) = 1.33 = \(\frac{Rd}{1}\)
Rd = 1.33 x 1 = 1.330m
Vapour is said to be saturated on top of an enclosed liquid if _________
The rate of condensation is greater than that of vapourization
The rate of condensation is equal to that of vapourization
There is neither condensation nor vaporization of the liquid
The rate of condensation is less that that of vaporization
Correct answer is B
No explanation has been provided for this answer.
Which of the following does Not use magnetic effect of current to function?
Lead acid accumulator
An electric bell
A moving coil galvanometer
A telephone receiver
Correct answer is A
Lead acid accumulator does not use the magnet effect of current. It is an electrochemical cell that produces current as a result of a chemical reaction