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