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