BSNL TTA ONLINE TEST RESUL APPLIED PHYSICS 2(LIGHT)

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YOU CAN DOWNLOAD IT PDF FILE FROM PAGE SOLUTION AND RESULT

 FIRST NAME
 LAST NAME
 SCORE%
 SCORE/25
 RESULT
 
Kamal
sam
sideeq
raj
mayur
nitesh
usain
poo
VISHAL
Viraj
Siddartha
saurav
krishna
Nihal
sunil
roshan
seema
kk
Kamal
Sai
MAHAVEER
suman
ALTHAFAHAMED
Naren
judith
Rupal
prasad
Sharma 
shafi Rather 
choudhary 
nagargoje 
yadav 
bolt 
karpe 
Reddy 
nagarkoti 
kumar 
Desai 
rathore 
wagh 
kumari 
Sharma 
Kishore 
singh 
biswas 
Otta 
kiruba 
Patel 
babar 
95
90
75
70
70
67
66
66
65
65
62
55
54
50
46
46
45
45
41
40
40
35
35
35
33
33
20
23.75
22.5
18.75
17.5
17.5
16.75
16.5
16.5
16.25
16.25
15.5
13.75
13.5
12.5
11.5
11.5
11.25
11.25
10.25
10
10
8.75
8.75
8.75
8.25
8.25
5
Pass
Pass
Pass
Pass
Pass
Pass
Pass
Pass
Pass
Pass
Pass
Pass
Pass
Pass
Pass
Pass
Pass
Pass
Pass
Pass
Pass
Pass
Pass
Pass
Pass
Pass
Fail

 SAMPLE QUESTIONS AND ANSWER OF OF PDF
BSNL TTA ONLINE TEST APPLIED PHYSICS 2(RESULT AND PDF OUT)
Q.1) Bend of light rays or image in denser medium is termed as
A.       Reflection
B.       Opacation
C.       Refraction
D.       Transpiration

Q.2) Normal, incident ray and reflective ray lie at a same point in
A.       reflection only
B.       reflection and refraction both
C.       none of them
D.       refraction only

Q.3) In which lens are light rays brought to focal point?
A.       None of lenses
B.       Diverging lens
C.       Converging lens
D.       Both lenses

Q.4) Difference in speed of light in air and in denser medium is termed as
A.       transactional index
B.       density index
C.       refractive index
D.       reflective index

Q.5) Light travels at a speed of (in vacuum)

A.       3.0 x 108 m s-1
B.       3.0 x 107 m s-1
C.       30 x 108 m s-1
D.       3.0 x 10-8 m s-1
Q.6) Which one of ratios are equal to constant (in refraction)
A.       sin i2/sin r
B.       sin i/sin r
C.       sin r (sin i)
D.       sin r/sin i

Q.7) A drop of water appears like pearl due to
A.       none
B.       reflection
C.       total internal reflection
D.       refraction

Q.8) The splitting of light into its component colours is called

 A.       desperation
 B.        refraction
 C.       spectrum
 D.       diffraction
Q.9)Light can travel in
 A.        none of mediums
 B.        air only
 C.        both air and vacuum
 D.        vacuum only
Q.10)  Power of a lens is 2D, it’s focal length is
 A.        50 cm
 B.        50m
 C.        150 cm
 D.        -0.5 m
Q.11)   A stick in water appears broken due to
 A.       NONE
 B.        refraction of light
 C.        total internal reflection
 D.        reflection of light
Q.12) Total internal reflection occurs when
 A.       light goes to vacuum from air
 B.       light passes from more denser to less denser medium
 C.       light comes into air from vacuum
 D.       light passes from a denser to a lighter medium

Q.13) When angle of incidence in denser medium is greater than critical angle, will total internal reflection take place or not?
A.       it is a property of total external angle
B.       It will
C.       It won’t take place
D.       may take place

Q.14) A horizontal line which passes through cortical center of lens is termed as
A.       principal axis
B.       imaginary diameter
C.       middle axis
D.       horizontal axis

Q.15) Image formed by a projector would be
A.       virtual, upright, diminished
B.       real, inverted, magnified
C.       virtual, upright, magnified
D.       inverted, real, diminished

Q.16) Angle of incidence in optically denser medium for which angle of refraction in less dense medium is 90° is termed as
A.       covalent angle
B.       internal angle
C.       normal angle
D.       critical angle

Q.17) In symbols, formula to calculate refractive index is
A.       rn = l/m
B.       i = v/l
C.       n = v/m
D.       n = c/v

Q.18) Which one of following gives characteristics of a plane mirror?
A.       same size, upright, inverted, virtual
B.       inverted, same size, real, upright
C.       inverted, magnified, virtual, upright
D.       upright, virtual, inverted, diminished

Q.19) Lateral displacement is directly proportional to:
A.       Thickness of the slab
B.       angle of refraction
C.       velocity of light
D.       Angle of incidence

Q.20) Angle of incidence is equal to angle of reflection is a
A.       neutral law of reflection
B.       imaginary angle
C.       true law of reflection
D.       false law of reflection

Q.21) Straight line in which light travels is called
A.       wave
B.       path
C.       light perimeter
D.       ray

Q.22) Objects that produce their own light are called
A.       Transparent objects
B.       Non-luminous objects
C.       Luminous objects
D.       Opaque objects

Q.23) Image that is created in plane mirror is virtual’ is a true statement of plane mirror image
A.       May be right or may be wrong
B.       Right
C.       Neither right nor wrong
D.       Wrong

Q.24) Which one of following is a true statement about reflection?
A.       point on which ray touches mirror is called critical point
B.       angle of reflection is equal to angle of incidence
C.       Incident ray, reflective ray and normal lies at a different point
D.       angle of incidence is not equal to angle of reflection

Q.25) A piece of glass with curved surface is termed a
A.       mirror
B.       biconcave mirror
C.       lens
D.       blind mirror

Answer Key

Q.1) Refraction

Q.2) reflection and refraction both

Q.3) Converging lens

Q.4) refractive index

Q.5) 3.0 x 108 m s-1

Q.6) sin i/sin r

Q.7) total internal reflection

Q.8) desperation

Q.9) both air and vacuum

Q.10) 50 cm

Q.11) refraction of light

Q.12) light passes from more denser to less denser medium

Q.13) It will

Q.14) principal axis

Q.15) real, inverted, magnified

Q.16) critical angle

Q.17) n = c/v

Q.18) same size, upright, inverted, virtual

Q.19) Thickness of the slab

Q.20) true law of reflection

Q.21) ray

Q.22) Luminous objects

Q.23) Right

Q.24) angle of reflection is equal to angle of incidence

Q.25) lens
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