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