1) 16 2) 12 3) 8 4) 4 Solution: (2) and (4) A = {x : x is a multiple of 4} A = {4, 8, 12, 16, 20…} B = {x : x is a multiple of 6} B =... View Article
1) {a} ∈ {a, b, c} 2) {a} ⊆ {a, b, c} 3) ɸ ∈ {a, b, c} 4) None of these Solution: (2) An element of a given set is belongs to that set,... View Article
What is one oscillation of a pendulum? One oscillation is completed by a pendulum when it starts from the extreme position A and moves to the... View Article
What type of force is gravity? Gravity or gravitational force is the force of attraction between any two objects in the universe. The force of... View Article
What is equivalent weight formula? The equivalent weight of the element or radical is calculated using the given formula Equivalent weight=... View Article
Which electromagnetic wave has the shortest wavelength? Gamma rays have the shortest wavelength and the highest energy among the other waves in... View Article
What is capacitor and capacitance? A capacitor is a device that stores charge and releases it when necessary. Capacitance is the measure of the... View Article
Where is a magnetic field strongest? The magnetic field is strongest near the poles of the magnet. It is equally strong at both the poles. The... View Article
Is Earth a giant magnet? Yes, Earth is considered as a giant magnet. The Earth’s geographical north pole is considered as the magnetic south pole... View Article
Can two independent sources of light be coherent? No, they are not coherent. The phase difference between the two waves will not be constant. The... View Article
Why is momentum conserved? According to Newton’s third law of motion, momentum is always conserved. During a collision, the forces of the... View Article
