Step 1: First, we’ll go through the fundamentals of how a magnet works. Simply said, two magnetic fields—the earth’s field... View Article
We are given a situation, we are removing 109 electrons from a neutral metal plate through some unknown process. We... View Article
Given, focal length of a converging lens, f= +20cm, Magnification of image (real) = 2. We know, magnification, m= −v/u... View Article
The supplied string is L in length and vibrates in the second overtone, therefore n=3, which means it will have... View Article
The scattering of light by tiny particles with regard to the wavelength of the incident light is known as Rayleigh... View Article
Here we can see a tower is there of 100m and a ball from 100m height is falling under gravity... View Article
The acceleration of the body will be due to the earth’s gravitational force, therefore the acceleration will be –g (the... View Article
Consider that the moon’s mass is M. As a result, the earth’s mass is 81M. The radius of the earth... View Article
Answer: (c) Towards north Explanation The 3D orientation of the axis is represented by the right hand thumb rule. However,... View Article
When current I flows in a circular coil with radius R and number of turns N, we first apply the... View Article
Around the Y-axis, the train is symmetrical. A and B are two symmetrical positions on the Y-axis that correspond to... View Article
Answer: (D) Both (a) and (c) Explanation The moon travels in a round orbit around the earth. Despite the fact... View Article
The quantities that are independent of other quantities are called fundamental quantities. The units that are used to measure these... View Article
In fact, it plays a critical part in conduction heat transfer, although we tend to address the conductivity mode of... View Article
Answer: (d) none Explanation The wavelength of a longitudinal wave is the distance between two successive points in the same... View Article
The kinetic energy formula is given by, Kinetic energy =1/2 × mass × (velocity)2 Using conservation of linear momentum m1v1... View Article
The gravitational attraction force is measured in milligrams (mg). Frictional force (f) – acting parallel to the slope of the... View Article
Let’s start by defining what the word “relative motion” means. The motion of a body relative to another body (referred... View Article
Acceleration due to gravity at a height h from the surface , g ′ =g[1+h/R ]−2 For radius of orbit... View Article
Consider M as the mass of the earth, R be the radius of the earth gd be gravitational acceleration at... View Article
