When a yellow card is viewed in blue light, It will appea...
When a yellow card is viewed in blue light, It will appear
black
orange
purple
red
white
Correct answer is A
Yellow does not contain blue, so it will appear black under blue light
An electric lamp rated 120W is used on a 240Vrms, calculate the resistance of its filament ...
Which of the following is not luminous object? ...
In a tuned radio receiver R, L, C series circuit for resonance, the inductive and capacitive reactan...
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A solid of weight 0.600N is totally immersed in oil and water respectively. If the upthrust of oil i...
a beam PQ pivoted at P carries a load of 80N as shown above. Calculate the effort E, required to kee...
An object is acted upon by a system of parallel forces causing the object to be in static equilibriu...
In the above circuit diagrams A is the ammeter and V is the Voltmeter. Which of the circuits is corr...
A metal block of mass 5kg lies on a rough horizontal platform. If a horizontal force of 8N applied t...
During the same interval, it is observed that a train travels the same distance as does a lorry. The...
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