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