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