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