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