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