1,397.
Which of the following are correct of plane- polarized light?
I. Plane polarization of light is the formation of hydrogen bubbles on the particles of light.
II. Plane polarization of light is the splitting of light into its spectral components
III. Plane-polarized light vibrates in one plane only.
IV. Polarization is characteristic of transverse waves.
A.
I and II only
B.
I and IV only
C.
II and III only
D.
III and IV only
E.
I and III only
Correct answer is D
No explanation has been provided for this answer.
1,398.
A.
M1 UM1 + M2
B.
M2 UM1 + M2
C.
M1 + M2M1 U
D.
M1 - M2M1 U
E.
M1 UM1 - M2
Correct answer is A
M1U + M2 x 0 = (M1 + M2)v
V =
M1 UM1 + M2
1,400.
V2 = 346cm3
A.
346cm3
B.
446cm3
C.
546cm3
D.
646cm3
E.
746 cm3.
Correct answer is A
V1T1
= V2T2
546273
= V2273 - 100
V2 = 346cm3
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