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