Question
Read the given statements and conclusions carefully.
Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements. Statements: Some boys are birds. All birds are animals. Conclusions: I. Some boys are animals. II. Some animals are boys.Solution
Which law states that the current flowing through a conductor is directly proportional to the voltage across it?
The pitch of a sound is primarily determined by which of the following?
An object is placed at a distance of 10 cm in front of a double convex lens made of glass of refractive index 1.5. Both the radii of curvature of the le...
In an AC circuit, voltage and current are given by V = 200 sin(ωt) and I = 10 sin(ωt + π/3). What is the average power consumed?
A person throws a ball from ground level at speed u and angle θ. The ball reaches maximum height H and range R. What is the ratio H/R?
Two capacitors of 6 µF and 3 µF are connected in series and a potential difference of 90 V is applied. The energy stored in the system is:
Which physical quantity remains constant during uniform circular motion? Â
The stress–strain graph for two wires A and B is shown. Wire A has a steeper linear region than B. This indicates that:
An ant can see objects all around it due to the presence of which type of eyes?
Why does a large fire in the open appear to be fanned by strong winds?
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