INTERSWITCH SPARK SHORTLISTING EXERCISE KFC
Quiz by OYASOR ANTHONY
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- Q1
WHEN LIGHT TRAVELS THROUGH A TRANSPARENT OBJECT ,IT
IT CHANGES COLOUR
REFRACTS
SPEEDS UP
REFLECTS
30s - Q2
WHICH OF THE FOLLOWING COLOURS OF LIGHT IS A PRIMARY COLOUR?
RED
WHITE
YELLOW
BLACK
30s - Q3
WHICH OF THE FOLLOWING DOES NOT CHANGE DURING REFRACTION OF LIGHT?
AMPLITUDE
WAVES
FREQUENCY
VELOCITY
30s - Q4
WHICH OF THE FOLLOWING MATERIALS IS TRANSLUCENT?
TRACING PAPER
MIRROR
WATER
SHEET OF IRON
30s - Q5
WHITE LIGHT IS A MIXTURE OF
10 COLOURS
7 COLOURS
14 COLOURS
6 COLOURS
30s - Q6
INSIDE A RAIN DROP,LIGHT
IS REFRACTED THRICE
IS REFLECTED TWICE
IS REFRACTED TWICE
IS REFLECTED ONCE
30s - Q7
A rainbow is produced when sunlight falls on drops of rain. Which of the following physical phenomena are responsible for this?1. Dispersion2. Refraction3. Internal reflectionSelect the correct solution using the codes given below
Only 1 and 2
1, 2 and 3
Only 2 and 3
Only 1 and 3
30s - Q8
Which of the following substances has the highest refraction index with respect to air or vacuum?
Diamond
crown glass
sapphire
ruby
30s - Q9
When a crystal of potassium permagnet is placed at the bottom of a beaker, filled with water, the whole water turns into purple without stirring. This is an example of -
intrusion
Distribution
effusion
Diffusion
30s - Q10
Liquid penetrant inspection requires that the liquid possess a __________ surface tension.
medium
high
low
very high
30s - Q11
What is the most common isotope of hydrogen?
all
protium
tritium
deuterium
30s - Q12
Organic chemistry is the study of the compounds that make up living organisms. All organic molecules contain:
carbon,hydrogen and oxygen
carbon and nitrogen
carbon and hydrogen
carbon only
30s - Q13
natural magnet is also called
magnesia
lodestone
magnetite
manganese
30s - Q14
the charge carrier in semi conductors
electrons and ions
electrons and holes
positive and negative ions
electrons
30s - Q15
which of the followings obeys ohms law?
electrolytes
glass
diodes
metals
30s