Questions

According to Ohm's law, if current (I) increase and potential difference (V) remains constant, then

Why does a piece of cloth, which appears green in sunlight, appear black when it is viewed under red light?

Consider a hypothetical planet whose mass and radius are both half that of Earth. If g is the acceleration due to gravity on the surface of Earth, the acceleration due to gravity on the planet will be

An echo is returned in 3 s. What is the distance of the reflecting surface from the source, considering the speed of sound as 342 ms-1?

Consider the given statement/s to be true and decide which of the given conclusions/assumptions can definitely be drawn from the given statement.
Statements:
1. All cycles are ducks.
2. All ducks are swans.
Conclusions:
I. All swans are cycles.
II. Some swans are cycles.

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

"Jim Crow" shuns the mountains for reasons satisfactory to himself; not so the magpie, the raven, and __________ mischief-maker, Clark's nutcracker. All of which keeps the bird-lover from the East in an ecstasy of surprises until he has _____________ accustomed to his changed environment. One cannot help ___________ into the speculative mood in view of the sharp contrasts ______________ the birds of the East and _________ of the West.

in view of the sharp contrasts ______________

The question below consists of a set of labelled sentences. These sentences, when properly sequenced form a coherent paragraph. Select the most logical order of sentences from among the options.

P: The Great Depression that began on Black Tuesday, 1929 plunged the worldwide recession.
Q: The years between the first and second world wars were a time of instability.
R: Coming to power in 1933, Hitler capitalized on this economic decline and the deep German resentment due to the emasculating Treaty of Versailles, signed following the armistice of 1918.
S: Declaring that Germany needed Lebensraum or “living space,” Hitler

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

I was taken by surprise (A)/when I came(B)/face to face with my school friend.(C)/No error(D)