Quiz
Question Answer
1. Mirage
is a phenomenon of
a. Reflection
of light
b. Refraction
of light
c. Total
internal reflection of light
d. Diffraction
of light
Ans c total internal reflection of
light
2. The
image formed by an objective of a compound microscope is
a. Virtual
and diminished
b. Real
and diminished
c. Real
and enlarged
d. Virtual
and enlarged
Ans. C real and enlarged
3. The
device that can act as a complete electronic circuit is
a. Junction
diode
b. Integrated
circuit
c. Junction
transistor
d. Zener
diode
Ans b integrated circuit
4. What
is the charge on p type semiconductor
a. Negative
b. Neutral
c. Positive
d. None
of these
Ans b neutral
5. Cyclotron
cannot accelerate
a. Positive
ions
b. Protons
c. Electrons
d. Alpha
particles
Ans c electrons
6. How
will you convert a galvanometer into ammeter?
a. A
small resistance connected in parallel
b. A
large resistance connected in parallel
c. A
large resistance connected in series
d. A
small resistance connected in series
Ans a a small resistance connected
in parallel
7. The
transformer cores are made up of material which has
a. High
retentivity and high coercivity
b. Low
retentivity and high coercivity
c. Low
retentivity and low coercivity
d. High
retentivity and low coercivity
Ans d High retentivity and low
coercivity
8. Which
part of electromagnetic spectrum has largest penetrating power
a. visible rays
b. gamma rays
c. microwaves
d. infrared rays
ans b gamma rays
9. How
does the frequency of light changes when it goes from air into glass
a. Increases
b. No
effect
c. Become
four times
d. Decreases
Ans b no effect
10.
Interference occurs in
which of the following waves?
a. Longitudinal
b. Transverse
c. Electromagnetic
d. All
of these
Ans d all of these
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