Fua lo 40°. Calculate the value of angle of prism. 251 Q. No 16 OR A glass prism of angle A and refractive index 1.5 produces the angle of minimum derivation
Ans: 22.4
[4]
Ans: 62.8°​

i was thinking more like reflects green light, just not sure

real, smaller and upside-down.   so the answer should be b.

d) physical means can be used to separate the components of air.

luster is not a good characteristic to use by itself because luster is the property of minerals that indicates how much the surface of a mineral reflects light. the luster of a mineral is affected by the brilliance of the light used to observe the mineral surface.