A) Conflict and complex mirror B) Concrete and cornered mirror C) Artificial and natural mirror D) Concave and convex mirrors
A) Radius of curvature B) Principal axis C) Pole D) Principal focus
A) Center of curvature B) Principal focus C) Principal axis D) Pole
A) Image height B) Image distance C) Object distance D) Magnification
A) The image formed is diminished B) The image formed is real C) The image formed is same size as object D) The image formed is inverted
A) Reflection B) Magnification C) Refraction D) Refractive index
A) Rectangular and triangular prism B) Longitudinal and transverse prism C) Linear and circular prism D) Concave and convex prism
A) Noise B) Echo C) Beat D) Tone
A) Echo method B) Resonance tune method C) Stationary method D) Wave method
A) Tone B) Loudness C) Pitch D) Ripple
A) Pitch B) Tone C) Loudness D) Ripple
A) It is transverse B) It has short wave length C) It can travel through a vacuum D) It has long wave length
A) Choroid B) Schroid C) Retina D) None of the above
A) They work naturally B) They work on the process of refraction C) They are mechanically operated D) They have fixed focal length
A) Electromagmetic wave B) Sound wave C) Light wave D) Logic wave
A) X-ray B) Radio wave C) Infrared radiation D) Visible light
A) Alpha ray B) Beta ray C) Radio wave D) Gamma ray
A) Short B) Open C) Long D) Closed
A) Resonance B) Current C) Voltage D) Resistance
A) Electric flux B) Electric circuit C) Electric pole D) Electric line |