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