Element with an electron sextet lack electrons and is eager to get 2 additional valence electrons to fill its octet. In an element of a compound,... View Article
When a book slides on the writing desk, a frictional force acts between the book and the desk's surface. The direction of the frictional force in... View Article
The correct answer is (B) Ammonia. The vapour density of Ammonia is 8.5g, which is 0.589 times that of air. Therefore it is lighter than air.... View Article
The correct answer is (D) Fusion Of The Second Gamete With Two Polar Nuclei. Triple Fusion is a process involved in the sexual reproduction of... View Article
The sound lub-dup in a cardiac cycle is the period between the end of one heartbeat to the end of the next heartbeat is called a cardiac cycle.... View Article
The correct answer is (B) 4s < 3d < 4p. According to the Aufbau principle, in the ground state of the atoms, the orbitals are filled with... View Article
No. 7/2 cannot be the probability of an event. This is because the probability of any event always lies between 0 and 1. Explore more such... View Article
The moving of the motor car over a convex bridge AB is the motion along the segment of a circle AB. The centripetal force is provided by the... View Article
Proper checking of blood before blood donation is required to check that the blood to be transferred is safe in all respects. Following... View Article
The potential difference across the central resistor is zero due to symmetry of the circuit. The resistor is the equivalent resistor of the... View Article
Sol: From the second equation of motion, From the above equation [1] and [2], we get: Explore more such questions and answers at BYJU’S.... View Article
Angles are in A.P Angle A = a - d Angle B = a Angle C = a + d Angle A + Angle B + Angle C = 180° = a - d + a + a + d = 180° = 3a = 180° =... View Article
Given: The radius of a wheel, r = 35 cm = 0.35 m. The speed it must keep, s = 66 km/h = The number of revolutions, n it makes per minute to... View Article