Question

1)) If in an ACL-C series circuit Xư > Xc. Hence current
(A) lags the voltage by nt in phase.
(B) lags behind the voltage by I
the voltage by in phase.
e voltage by in phase.
quilateral prism made up
9)
10)
(C) lags behind the voltage by a in phase. (D) lags the voltage by innh

2))A ray of light is incident normally on the surface of an equilateral prisma
of material with refractive index 1.5. The angle of deviation is
(A) 60° (B) 90° (C) 45° (D) 75º
3))When 23$ Ra decays in a series of emission of 3a Particles and 1B particle
isotope X formed is_
(A) 30X (B) 3X (C) 232X (D) 25X


4))The longest wavelength in Balmer Series of hydrogen spectrum will be
(A) 4800 °A (B) 6557 °A (C) 5600 °A (D) 1216°A
A straight wire of length l has magnetic moment m. If the wire is bent in the
form of a semicircle. What is the new value of the magnetic dipole moment.
12)
V
13)
14)
X
At what temperature would be resistance of a copper conductor be double its
resistance at O°C ? (Given : a for copper = 3.9 x 10-3 °C-1)
A) 100°C (B) 256.4° C (C) 256.4 K (D) 512.8°C
through a slah of thickness 4 mm and refract​

Answer 1

Answer:mmmmmm

Explanation: