1 Crore+ students have signed up on EduRev. Have you? Download the App |
The inductance of a coil is L = 10 H and resistance R = 5 Ω . If applied voltage of battery is 10 V and it switches off in 1 millisecond, find induced emf of inductor.
The distance travelled by light in glass (refractive index =1.5) in a nanosecond will be
Directions: Consider the following equilibrium equations (omitting charges).
I. M + Cl → MCl, Keq = β1
II. MCl + Cl → MCl2, Keq = β2
III. MCl2 + Cl → MCl3, Keq = β3
IV. M + 3Cl → MCl3, Keq = K
The relationship(s) between K,β1 ,β2 and β3 is/are
The velocity of an electron in the second shell of the hydrogen atom is
When a 5 g piece of charcoal is added to a 0.75 M CH3COOH, the concentration drops to 0.73 M. The extent of adsorption is
Which of the following ions having following electronic structure would have the maximum magnetic moment?
Dehydration of alcohol involves the formation of which of the following intermediates?
Which of the following molecule is expected to rotate the plane of polarised light?
Which of the following represents the correct order of decreasing number of S=O bonds?
Consider the reaction:
P + 2Q → R
When concentration of Q alone was tripled, the half-life did not change. When the concentration of P alone was made four times, the rate increased two times. The unit of rate constant for this reaction would be
y = A ex + B e2x + C e3x satisfies the diferential equation
The solution of the equation (1+x2)(1+y)dy+(1+x)(1+y2)dx=0 is
The general value of θ which satisfies tanθ=-1 and cosθ=(1/√2) the equations is
If b + c, c + a, a + b are in H.P., then a2, b2, c2 will be in
In Δ A B C , If a2 + b2 + c2 = 8 R2 , then the triangle is