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