A) Conflict and complex mirror B) Concrete and cornered mirror C) Concave and convex mirrors D) Artificial and natural mirror
A) Principal focus B) Pole C) Radius of curvature D) Principal axis
A) Principal focus B) Principal axis C) Pole D) Center of curvature
A) Object distance B) Image distance C) Magnification D) Image height
A) The image formed is real B) The image formed is diminished C) The image formed is inverted D) The image formed is same size as object
A) Reflection B) Refractive index C) Magnification D) Refraction
A) Longitudinal and transverse prism B) Concave and convex prism C) Linear and circular prism D) Rectangular and triangular prism
A) Beat B) Tone C) Noise D) Echo
A) Stationary method B) Echo method C) Wave method D) Resonance tune method
A) Tone B) Pitch C) Ripple D) Loudness
A) Ripple B) Loudness C) Tone D) Pitch
A) It is transverse B) It has short wave length C) It can travel through a vacuum D) It has long wave length
A) Retina B) Schroid C) Choroid 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) Light wave B) Sound wave C) Logic wave D) Electromagmetic wave
A) Visible light B) Infrared radiation C) Radio wave D) X-ray
A) Gamma ray B) Radio wave C) Beta ray D) Alpha ray
A) Open B) Closed C) Short D) Long
A) Voltage B) Current C) Resistance D) Resonance
A) Electric flux B) Electric pole C) Electric line D) Electric circuit |