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