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