A) Pressure B) Floatation C) Upthrust D) Density
A) Vertical B) Scalar C) Upward D) Vector
A) U/3 x P x g B) V/3 x P xg C) V x P x g D) U x P x g
A) 210 N B) 180 N C) 200 N D) 150 N
A) 35 N B) 15 N C) 40 N D) 25 N
A) I & II only B) II & III only C) I only D) I & III only E) I, II & III
A) swims B) dives C) floats D) sinks
A) Triple B) Uniform C) Dual D) Quadruple
A) Line B) Particle C) Bulb D) Colour
A) Diffraction B) Reflection C) Dispersion D) Refraction
A) Refraction B) Interference C) Diffraction D) Dispersion
A) converging B) interference C) consructive D) diverging
A) C and P B) P and R C) R and F D) P and F
A) Real, inverted, enlarged B) Real, inverted and diminished C) Virtual, erect, enlarged D) Real, inverted and highly diminished
A) Positive B) Enlarged C) Negative D) Diminished
A) Microscope B) Human eye C) Telescope D) Camera
A) Pupil B) Cornea C) Lens D) Iris
A) Cornea B) Sclera C) Retina D) Ciliary muscles
A) Sclera B) Retina C) Pupil D) Cornea
A) Orbit B) Galaxy C) Constellation D) Field
A) Electric B) Vector C) Scalar D) Gravitational
A) Watts(W) B) Ampere(A) C) Joules(J) D) Coulomb(C)
A) Repel each other B) Attract each other C) Do not interact D) Move randomly
A) Radiation B) Induction C) Conduction D) Friction
A) Conserved B) Destroyed C) Created D) Invisible
A) Plastic B) Glass C) Rubber D) Copper
A) Plastic B) Silver C) Aluminium D) Iron
A) Scraping surfaces B) Shaking them C) Blowing air into them D) Hitting strings
A) Flute B) Piano C) Drum D) Guitar
A) A direct sound B) A weak sound C) A musical sound D) A reflected sound
A) Absorption of sound B) Refraction of sound C) Reflection of sound D) Diffraction of sound
A) Large empty halls B) Open fields C) Water bodies onl;y D) Small rooms
A) Concrete wall B) Foam C) Carpet D) Curtains
A) Hypermetropia B) Presbyopia C) Myopia D) Astigmatism
A) Double vision B) Blindness C) Long-sightedness D) Short-sightedness
A) Concave lens B) Convex lens C) Plane mirror D) Prism
A) Convex lens B) Cylindrical lens C) Bifocal lens D) Concave lens
A) Retina is damaged B) Lens become cloudy C) Cornea disappears D) Eye becomes bigger
A) Infection B) Loss of elasticity of the lens C) Dust D) Too much light
A) Weak retina B) Lack of light C) Damage to optic nerve D) Uneven curvature of the cornea |