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