The resonance angular frequency (omega) in an L-R-C circuit is (a) 1/LC (b) 1/ S

Question

The resonance angular frequency (omega) in an L-R-C circuit is (a) 1/LC (b) 1/ Squareroot LC (c) 1/ Squareroot 2LC (d) None In case of a transformer, terminal voltages (V_1/V_2) equals to (a) N_1/N_2 (b)N)1^2/N_2 c) N_2/N_1 (d)None When an electromagnetic wave travels through a dielectric, the wave speed (v) equals to (a) c/Squareroot 3 K Km (b) c/Squareroot KK_m c_ 2d /Squareroot KK_m (d) None Malus' law explained by (a) I = I_max cos^2 (phi/2) (b) I = I_max cos^2 4 phi c) I = I_max cos^2 phi (d) None Rainbow undergoes through (a) Reflection (b) Refraction (c) Both (d) None Huygen's Principle explained by (a) Ray (b) Wave front (c) Both (d) None Total internal reflection has the relationship of index of refraction (n_b/n_a) equals to (a) 1/Sin theta_crit. (b) 1/(Sin theta_crit)^2 (c) Sin theta_crit (d) None Lens maker's equation is (a) 1/f = n(1/R_1-1/R_2) (b) 1/f=(n-1)(1/R_1-1/R_2) (c) 1/f=(2n-1)(1/R_1-1/R_2) (d) None Myopic eye can be corrected using (a) Converging lens (b) Both (c) Diverging lens (d) None Location of the bright fringes (y_m) of two-source interference of light is (a) Rm lambda/d (b) Rm lambda d (c) d / Rm lambda (d) None Rest energy of a particles is (a) E = mc^2 (b) E = gamma mc^2 (c) E = 2mc^2 (d) All of the above De Broglie wavelength (lambda) is (a) h/mv b) m w/h c) hmv d) None Bohr magneton is a) mu_b = ch/2m b) 2 mu_B = eh/2m c) 4 mu_B = ch/2m d) None

Explanation / Answer

Since there are so many questions, I will just write answers.

(14) (b)

(15) (a)

(16) (b)

(17) (c)

(18) (c)

(19) (b)

(20) (a) if nb>na and (b) if nb<na

(21) (b)

(22) (c)

(23) (a)

(24) (a)

(25) (a)

(26) (a)

Hope this helps.

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