10th class Physics unit 3 MCQs

chapter 3 MCQs 10th Class Physics

Geometrical Optics:

a. Maxwell
b. Newton
c. Bill
d. Faraday

a. Maxwell

a. Four
b. Two
c. Five
d. Three

b. Two

a. Four
b. Two
c. Five
d. Three

b. Two

a. Greater
b. Equal
c. Smaller
d. Unequal

b. Equal

a. Point of concurrency
b. Point of reflection
c. Contact point
d. Point of incidence

d. Point of incidence

a. Ideal reflection
b. Irregular reflection
c. Short reflection
d. Regular reflection

d. Regular reflection

a. Ideal reflection
b. Irregular reflection
c. Short reflection
d. long reflection

b. Irregular reflection

a. Deepness
b. Smoothness
c. Cold welds
d. Roughness

b. Smoothness

a. f = R2
b. f = R/2
c. f = 3R
d. f = 2R

b. f = R/2

a. f = R/3
b. f = R/2
c. f = R/5
d. f = R/4

b. f = R/2

a. Six
b. Two
c. Eight
d. Four

b. Two

a. Erect and virtual
b. Erect and real
c. Inverted and virtual
d. Inverted and real

a. Erect and virtual

a. Wool
b. Plastic
c. Iron
d. Cotton

b. Plastic

a. Diverging mirror
b. Convex mirror
c. Spherical mirror
d. Concave mirror

. Concave mirror

a. Converging mirror
b. Convex mirror
c. Spherical mirror
d. Concave mirror

b. Convex mirror

a. Diverging mirror
b. Convex mirror
c. Spherical mirror
d. Concave mirror

b. Convex mirror

a. Equal
b. Greater
c. Same
d. Smaller

d. Smaller

a. Converging mirror
b. Convex mirror
c. Spherical mirror
d. Concave mirror

d. Concave mirror

a. Zero
b. Real
c. On the mirror
d. Virtual

b. Real

a. Zero
b. Real
c. On the mirror
d. Virtual

d. Virtual

a. Concave mirror
b. Convex mirro
c. Both
d. None

c. Both

a. -15cm
b. -5.0cm
c. -20cm
d. -7.5cm

a. -15cm

a. -9.9cm
b. -4.1cm
c. -20cm
d. -8.2cm

a. -9.9cm

a. 1/f=1/p+1/q
b. 1/p=1/f+1/q
c. 1/f=1/p-1/q
d. 1/q=1/p+1/f

a. 1/f=1/p+1/q

a. Its frequency
b. Its direction
c. Its wavelength
d. Its speed

c. Its wavelength

a. The image distance
b. The focal length
c. The object distance
d. The speed of light

d. The speed of light

a. sini/sinr = n = n1/ n2
b. sini/Sinr = n = n2/ n1
c. cosi/cosr =n = n1/n2
d. sinr/sini = n = n1/ n2

a. sini/sinr = n = n1/ n2

a. n = Sinr
b. n =sini/sinr
c. n = Sini
d. n = sinr/sini

b. n =sini/sinr

a. 3
b. 1
c. 4
d. 2

b. 1

a. 2.21
b. 1.33
c. 2.42
d. 1.52

c. 2.42

a. n=v/c
b. n=c/v
c. n=1/cv
d. n = cv

b. n=c/v

a. 2.42
b. 1.52
c. 1.33
d. 1.31

d. 1.31

a. 1.39
b. 2.33
d. 1.31
d. 1.36

d. 1.31

a. 3 x 108ms-1
b. 2 x 108ms-1
c. 3 x 10-8ms-1
d. 2 x 10-8ms-1

b. 2 x 108ms-1

a. 3 x 108ms-1
b. 2 .3 x 108ms-1
c. 3 .5 x 108ms-1
d. 2 .0 x 108ms-1

b. 2 .3 x 108ms-1

a. 1.66
b. 2.42
c. 1.52
d. 2.21

c. 1.52

a. 1.31
b. 2.42
c. 1.36
d. 2.21

c. 1.36

a. Diffraction of light
b. Reflection of light
c. Endoscopy
d. Refraction of light

d. Refraction of light

a. Same
b. Equal
c. Opposite
d. Unequal

b. Equal

a. Four
b. Two
c. Five
d. Three

b. Two

a. 3 x 108ms-1
b. 3 x 106ms-1
c. 2 .3 x 108ms-1
d. 2 .0 x 108ms-1

a. 3 x 108ms-1

a. ms
b. ms-1
c. No unit
d. ms-2

c. No unit

a. Have same units
b. Same
c. Different
d. None

c. Different

a. Partially refract and partially reflects
b. Refract only
c. Diffract only
d. Reflect only

d. Reflect only

a. 90o
b. 488o
c. 95o
d. 48.8o

d. 48.8o

a. Four
b. Two
c. Five
d. Three

b. Two

a. 90o
b. 42o
c. 0o
d. 45o

b. 42o

a. Both
b. Reflected
c. Refracted
d. None

b. Reflected

a. Partially refract and partially reflects
b. Refract only
c. Diffract only
d. Reflect only

b. Refract only

a. Incidence angle
b. Critical angle
c. Reflecting angle
d. None

b. Critical angle

a. Total internal reflection
b. Refraction
c. Both A and B
d. Continues refraction

a. Total internal reflection

a. Bronchoscope
b. Gastro scope
c. Bronchoscope
d. Cystoscope

a. Bronchoscope

a. Laws of refraction
b. Total internal reflection
c. Optics
d. Laws of reflection

b. Total internal reflection

a. Bronchoscope
b. Gastro scope
c. Bronchoscope
d. Cystoscope

d. Cystoscope

a. 180o
b. 90o
c. Both
d. 360o

c. Both

a. Four
b. Two
c. Five
d. Three

b. Two

a. Cover
b. Core
c. Internal part
d. Cladding

d. Cladding

a. Cover
b. Core
c. External part
d. Cladding

b. Core

a. Transportation
b. Industry
c. In paper industry
d. Telecommuni

d. Telecommuni

a. Concave mirrors
b. Optical fibres
c. Totally internal reflecting prism
d. Convex mirrors

c. Totally internal reflecting prism

a. Bronchoscope
b. Gastro scope
c. Cystoscope
d. None of the above

b. Gastro scope

a. Optical glass
b. Plastic
c. Cotton
d. Glass

d. Glass

a. 3/f
b. 1/f
c. 4/f
d. 2/f

b. 1/f

a. Four
b. Two
c. Five
d. Three

b. Two

a. Total internal reflection
b. Reflection
c. Refraction
d. None

c. Refraction

a. Microscope
b. Camera
c. Telescope All
d. All

d. All

a. Converging lens
b. Concave lens
c. Convex lens
d. None

b. Concave lens

a. Diverging lens
b. Concave lens
c. Convex lens
d. None

c. Convex lens

a. Inverted
b. Real
c. Diminished
d. Virtual

d. Virtual

a. Inverted
b. Real
c. Diminished
d. Virtual

b. Real

a. Candela
b. Meter
c. Mole
d. Dioptres

d. Dioptres

a. Upright and real
b. Inverted and real
c. Upright and virtual
d. Inverted and virtual

c. Upright and virtual

a. Greater
b. Positive
c. Less
d. Negative

d. Negative

a. Greater
b. Positive
c. Less
d. Negative

b. Positive

a. 1/f=1/p+1/q
b. 1/p=1/f+1/q
c. 1/f= 1/p-1/q
d. 1/q=1/p+1/f

a. 1/f=1/p+1/q

a. Virtual, upright, and diminished
b. Real, inverted, and diminished
c. Real, inverted and magnified
d. Virtual, upright and diminished

b. Real, inverted, and diminished

a. Virtual, erect, diminished
b. Real, erect, same size
c. Virtual, inverted, magnified
d. Real, inverted, diminished

d. Real, inverted, diminished

a. Convex mirror
b. Concave lens
c. Concave mirror
d. Convex lens

d. Convex lens

a. Accommodation
b. Modification
c. Near sightedness
d. Distinct vision

a. Accommodation

a. 30 cm
b. 20 cm
c. 15 cm
d. 25 cm

d. 25 cm

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