Which Type of Lens Is Converging and Which Type of Mirror Is Converging
The convex lens is termed a converging lens. The concave mirror is termed a converging mirror. To learn more Physics... View Article
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The Amount of Heat Produced in a Wire Depends on (a) Material (B) Length (C) Thickness (D) All of These
A correct answer is an option (d) All of these. The amount of heat produced in a wire depends on... View Article
Sliding Friction Is ____ Than Rolling Friction. Fill In the Blank
(A) Greater (B) Less (C) Same as (D) Can’t say. The correct answer is option (A) Greater. sliding friction is... View Article
A Shell of Mass M Moving With Velocity v Suddenly Breaks Into 2 Pieces. The Part Having Mass M/4 Remains Stationary. The Velocity of the Other Shell Will Be
(A) v (B) 2v (C) 3/4 v (D) 4/3 v A correct answer is an option (D) 4/3 v According... View Article
Speedometer Is a Device Which Is Used To Measure
(A) Time (B) Speed (C) Distance travelled (D) Displacement The correct answer is option (B) Speed. A speedometer is a... View Article
Water Is a Bad Conductor of Heat Because
(A) It has excess free electrons (B) It has high pH (C) It lacks free electrons (D) It has low... View Article
What Is the Electroplating? List Three Application of Electroplating
Electroplating is the process of coating the thin layer of metals with desired metals in order to resist rust. The... View Article
How An AC Generator Can Be Converted Into DC Generator
An AC generator can be converted into a DC generator by using the method of split-ring type commutator. In this... View Article
What is Curie Temperature?
The temperature at which certain materials lose their permanent magnetic properties is called Curie temperature. It is also called Curie... View Article
State the Working Principle of a Potentiometer
A potentiometer works on the principle that the fall of potential energy across any portion of the wire is directly... View Article
1 bar of pressure is equal to
Bar is a pressure unit and is about equal to the atmospheric pressure at sea level. 1 bar = 14.5037738... View Article
What Is Additive Nature of Charge
The additive nature of charge is one of the properties of electric charge. The additive nature of charge explains the... View Article
An arbitrary surface encloses an electric dipole what is electric flux to the surface
The net charge is 0 if any arbitrary surface encloses a dipole. A dipole is made up of two charges... View Article
3. Bose-Einstein Condensate have (a) Very low kinetic energy (b) Low kinetic energy (c) High kinetic energy (d) Highest kinetic energy.
The correct answer is (b) Low kinetic Energy Bose-Einstein condensate refers to the breakdown of atoms into a single quantum... View Article
A 40kg slab rests on a frictionless floor . A 10kg block rests on top of slab . coefficient of kintic friction between the block and slab is 0.4 . A horizontal force of 100 N applied on 10 kg block .Find resulting acceleration of slab
10 * 9.81 = 98.1 N is the normal response of a 40 kilogramme slab on a 10 kilogramme block.The... View Article
Beacon Lights Are Obtained From
Beacon lights are obtained from neon lamps. A beacon light refers to conspicuous lights, mainly designed to attract attention to... View Article
The Lens Is Made Up Of Which Glass (A) Ordinary Glass (B) Pyrex Glass (C) Flint Glass (D) Cobalt Glass
The answer is (A) Flint Glass. Flint glass is a pure glass made initially with flint, also called optical glass,... View Article
Which Of The Following Statements Is True About The Weight Of An Object? (A) The Weight Of An Object Is Same As Its Mass (B) The Weight Of An Object Refers To Its Inertia (C) The Weight Of An Object Is The Force With Which It Is Attracted Towards The Earth (D) None Of These
The answer is (C) The Weight Of An Object Is The Force With Which It Is Attracted Towards The Earth.... View Article
Name The Particle Which Determines The Mass Of An Atom.
Protons and neutrons. Protons, a subatomic particle with a positive charge and neutrons, a subatomic particle with a neutral charge,... View Article
What Is The Use Of Law Of Machine
A machine is a simple tool, which helps us to do work. A mechanical device that changes the direction or magnitude... View Article
