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