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