Answer: Convex mirror is also known as diverging mirror because it diverges the rays of light, which fall on its reflecting surface. Convex... View Article
Uniform speed:Motion of heavy vehicle like trucks on highway. Non-uniform speed:Motion of bike in city or busy roads. If a vehicle is moving on a... View Article
Armature: It is a rectangular iron core wrapped by the copper coil through which electricity passes and due to magnetic field it experiences a... View Article
A voltmeter is an instrument used for measuring electrical potential difference between two points in an electric circuit . A voltmeter is... View Article
Faradic current is a short duration interrupted direct current with a pulse duration ranging from 0.1 to 1 ms with frequency of 50 to 100 Hz.... View Article
Electric field due to single charge is spherically symmetric. The electric field is defined as the electric force per unit charge. The field... View Article
Answer: Density(D or ρ) is the measurement of how tightly a material is packed together. It is defined as the mass per unit volume. Mathematical... View Article
Answer: With respect to time, we may describe motion as the change of an object's location. Water flowing from the tap, a book falling off a... View Article
Answer: Rain gauges are classified as either non-recording or recording. A rain gauge is a type of instrument used by meteorologists and... View Article
Speed of sound is maximum in solids and decreases from solids to liquids and liquids to gases. Sound can't travel through a vacuum. Sound travels... View Article
A lens is made up of two curved surfaces which can be concave or convex surfaces. When both the surfaces are of the same kind and have the same... View Article
Thermal resistance is the property of heat, and it is the measurement of difference in temperature in which the flow of heat is resisted by... View Article
A simple manometer consists of a glass tube having one of its ends connected to a point where pressure is to be measured and other end remains... View Article
Concave mirror is used in headlights of vehicles, because when the bulb of headlight is placed at focus of concave mirror, it allows the light to... View Article
An optical aid is used in conjunction with the eye i.e. using optical instruments for improving the vision whereas non-optical aid include visual... View Article
The more conductive a material is to magnetic fields, the higher its permeability. magnetic permeability is maximum for ferromagnetic substance.... View Article
Answer: Power is defined as the rate at which work is done upon an object. Power is a time-based quantity. Which is related to how fast a job is... View Article
