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