Convex lenses have a thicker centre than their edges, and concave lenses have a thicker centre than their margins. A convex lens focuses a light... View Article
A pascal is a pressure of one newton per square metre, or one kilogramme per metre per second squared in SI base units. The standard atmospheric... View Article
The water would flow downstream if the dams were not present. The dam, on the other hand, prevents the flow of water and collects it. The water's... View Article
Switch mode power supplies, or SMPS, are more efficient and save space than typical linear power supplies, although noise on the output must be... View Article
1 joule is equal to 0.000239006 kilocalorie. Since 1925, the calorie has been defined in terms of the joule, with the most recent definition... View Article
Yes. The distance can be zero when the object is at rest. Distance is a measurement of how far apart objects are. It can also be defined as the... View Article
Friction is defined as a force resisting or resistance offered by the surfaces that are in contact with each other when they move over each... View Article
Given data: A spring of force constant = 800N/m We have to find the work done in extending it from 5cm to 15cm Work done = change in energy... View Article
The answer is (B) Anticlockwise Direction Magnetic field lines formed by an electric charge have a certain character. A positive charge's force... View Article
The potential difference between the wire ends makes an electric current flow in the wire. Explore more such questions and answers at BYJU'S.... View Article
SI unit of magnetic dipole moment is Ampere square meter(A.m2) where A is ampere and m is meter. Explore more such questions and answers at BYJU'S.... View Article
Faraday’s law of electromagnetic induction, also known as Faraday’s law, is the basic law of electromagnetism which helps us to predict how a... View Article
The correct answer is option (D) Refraction of light and Total Internal Reflection of light Mirage is an example of the refraction of light and... View Article
The specific latent heat of fusion of ice is defined as the quantity of heat required to convert the unit mass of ice into liquid at 0°C... View Article
Given data: D = 1.496 × 1011m theta = 1920 seconds The distance D from the Earth to the Sun is very large. The diameter of the Sun 'd' is... View Article
Observatory The observatory is the place, which is mainly used for observation of natural phenomena including astronomical observations,... View Article
The ability of the eye lens to change its focal length is called accommodation. Ciliary muscles is an intrinsic muscle, which plays an important... View Article
Electromotive force is defined as the electric potential produced by either an electrochemical cell or by changing the magnetic field. The... View Article