Last seen: Nov 14, 2021
Correct answer: (4) Rauwolfia serpentina
Correct answer: (2) aberrant functioning of the immune mechanism
Correct answer: (3) Measles and rabies
Correct answer: (4) immunological rejection of foreign bodies
Correct answer: (a) 1.0 × 10-9 Explanation: Let solubility of AgCl = x mole/L AgCl ⇌ Ag+ + Cl- i.e., Ksp(Agcl) = KCl → K+ + Cl- ...
Correct answer: (b) Mg(OH)2 is not precipitated Explanation: pH = 9 ; [H+] = 10-9; [OH-] = 10-5; [Mg2+] = 1 x 10-3; [Mg2+][OH-]2 = 1 x 10-13 ...
Correct answer: (a) 2.8 x 10-4 Explanation: MgCl2 + 2NaOH → Mg(OH)2 + 2NaCl 100x0.1 100x0.2 0 0 Initial moles 0 0 ...
Correct answer: (b) 0.05 M Explanation: [H+] = meq = 0.05 M
Answer (b) BaSO4 > Hg2Cl2 > CrCl3 > Cr2(SO4)3 Explanation Cr2(SO4)3 ⇌ 2Cr3+ + 3SO42- 2s 3s Ksp = (2s)2(3...
Correct answer: (a) 0.55 Explanation: α = = = 0.55 %
Correct answer: (b) 99.9 Explanation: To precipitate the AgCl [Ag+] required = = = 1.0 x 10-9 M [Br-] left at this stage = = = 1.0 x...
The velocity of this body is increasing at a rate of ’10 metres per second’ every second. Initial velocity, u = 0 m/s Time, t = 2s Accelerati...
Initial velocity, u = ? Final velocity, v = 0m/s (car is stopped) Retardation, a = -2.5 m/s2 Time, t = 10s v = u + at 0 = u +(-2.5) x 10...
An important characteristic of uniform circular motion is that the direction of motion in it changes continuously with time, so it is accelerated. ...
Uniform linear motion is uniform motion along a linear path or a straight line. The direction of motion is fixed. So, it is not accelerated. For e....
The motion of a body which is moving with constant speed in a circular path is said to be accelerated because its velocity changes continuously due to...
The speed of a body moving along a circular path is given by the formula: v = where, v = speed = 3.14 ( it is a constant) r = radius of cir...
Yes, uniform circular motion is accelerated because the velocity changes due to continuous change in the direction of motion.
(a) zero (b) speed (c) acceleration (d) distance travelled (e) circular path
The tip of the ‘seconds’ hand’ of a watch represents uniform circular motion. It is an accelerated motion.