Question
Which among the following is necessarily present in an
alloy for it to be referred as ‘Amalgam’?Solution
The correct answer is D
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?
