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