A) Concave and convex mirrors B) Conflict and complex mirror C) Concrete and cornered mirror D) Artificial and natural mirror
A) Pole B) Principal axis C) Radius of curvature D) Principal focus
A) Principal axis B) Principal focus C) Pole D) Center of curvature
A) Image height B) Object distance C) Image 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) Magnification B) Refraction C) Refractive index D) Reflection
A) Longitudinal and transverse prism B) Rectangular and triangular prism C) Concave and convex prism D) Linear and circular prism
A) Beat B) Echo C) Noise D) Tone
A) Stationary method B) Wave method C) Resonance tune method D) Echo method
A) Ripple B) Pitch C) Loudness D) Tone
A) Tone B) Pitch C) Loudness 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) Choroid B) Schroid C) Retina D) None of the above
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) Infrared radiation D) Radio wave
A) Radio wave B) Alpha ray C) Beta ray D) Gamma ray
A) Closed B) Long C) Open D) Short
A) Resonance B) Current C) Resistance D) Voltage
A) Electric pole B) Electric flux C) Electric circuit D) Electric line |