2018-10-01_Physics_For_You

Ÿ sin() sin( ) r = ° = 60 3 1 2 Ÿ r=sin−^1   1 2 ? r = 30° (b) Focal length of the lens decrease when red light is replace ...

e radius of curvature of the lens is 22 cm. Let  E be in the x-direction and  B in the y-direction. (a) Consider a rectangu ...

λ υ == × × = c 310 50 10 600 8 6 .m (b) If the wave is propagating along x-axis, then eld  E will be along y-axis and eld  B ...

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(b) Advantage of reecting telescope, over a refracting type: (i) In refracting telescope the nal image is formed aer two time ...

(ii) P d ca b v (i) v × × × × × × × × × (a) a (b) b (c) c (d) d An inductor of inductance L = 400 mH and resistors of resistanc ...

If the rms current in a 50 Hz AC circuit is 5 A, the value of the current 1 300 s aer its value becomes zero is (a) 52 A (b) ...

Neglecting mutual inductance, the time constants (in ms) for circuits (i), (ii), and (iii) are (a) 11 9 2 ,, (b) 9 4 ,, 11 (c) 1 ...

the solenoid is decreased at a constant rate from +2 A to –2 A in 0.05 s. Find the total charge (in PC) owing through the coil ...

Set 63 SINGLE OPTION CORRECT TYPE In a vernier callipers 1 main scale division is 1 mm and there are 10 divisions on vernier sc ...

MORE THAN ONE OPTION CORRECT TYPE e particles A and B each of mass ‘m’ are attached by a light inextensible string of length 2 ...

In two systems of relations among velocity, acceleration, and force are, respectively, vv 2 2 = 1 α β , a 2 = DEa 1 , and F F ...

clicked correct time. Re is the radius of Earth. e linear coecient of the material of pendulum is (a) h Re (b) h 5 Re (c)^5 R ...

An alpha particle of energy 5 MeV is scattered through 180° by a xed uranium nucleus. e distance of closest approach is of th ...

(b) the prongs of the tuning fork were kept in a horizontal plane above the resonance tube (c) the length of the air-column at t ...

Radius of moon = R C A vA h R 100 R B Mass= M Moon vB Speed of particle at B = vB Escape velocity on surface of moon = ve ∴ v GM ...

(a) : Let x 1 = a sin Zt and x 2 = a sin(Zt + G) be two S.H.M. a ata at 33 = sinaωωnd− =+sin( δ) sinaωωtt=+^1 ndsin( δ)=− 3 1 ...

rmin ()()()(. ) . = ×× ×× − − 9109 2921610 51610 192 13 or rmin = 5.3 × 10–14 m or rmin = 5.3 × 10–12 cm e distance of closest ...

where k d m = ρ is a constant of the wire. Taking logarithm of both sides of (i) we have log R = logk + 2 logl Dierentiating δδ ...

Exploring the Solar System? You May Need to Pack an Umbrella G earing up for its first flight test, NASA’s Adaptable Deployable ...