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