Question
A bus takes 55 seconds to travel 550 meters. What is the
speed in km per hour? ÂSolution
Distance = 550m, Time = 55 seconds, Speed = ? Speed = Distance/Time = (550/55) × (18/5) = 36 km/hr
A coil with N turns and area A is placed in a magnetic field varying as B = B₀·e–αt. What is the induced EMF at time t = 0?
Which instrument is primarily used to measure the relative density of liquids by utilizing the principle of buoyancy?
A sample contains equal numbers of two isotopes X and Y, each with half-lives of 10 days and 20 days respectively. What is the ratio of activities Aâ‚“ ...
The potential inside a charged hollow sphere is __________.
If n resistors with R Ω each as resistance are connected in parallel, then the equivalent resistance of the network is:
Hyperrnetropia or longsight can be corrected by using :
A liquid is kept in a regular cylindrical vessel up to a certain height. If this vessel is replaced by another cylindrical vessel having half the area o...
The emission of a beta-minus particle from a nucleus results in:
A projectile is fired at an angle θ and reaches maximum height
H and range R. The angle between velocity and acceleration at the highest poin...
Which of the following does not affect the value of acceleration due to gravity?
Relevant for Exams:
