Physics A star appears twinkling in the sky because of Scattering of light by atmosphere Reflection of light by atmosphere Diffraction of light by atmosphere Refraction of light by atmosphere Scattering of light by atmosphere Reflection of light by atmosphere Diffraction of light by atmosphere Refraction of light by atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics The safest hammers are those with heads that are Cast steel and chiseled Alloy and drop-forged steel Chiseled and drop forged Welded and alloyed Cast steel and chiseled Alloy and drop-forged steel Chiseled and drop forged Welded and alloyed ANSWER DOWNLOAD EXAMIANS APP
Physics The fundamental scientific principle in the operation of battery is Acid-base interaction Dialysis Dissociation of electrolytes Oxidation-reduction Acid-base interaction Dialysis Dissociation of electrolytes Oxidation-reduction ANSWER DOWNLOAD EXAMIANS APP
Physics A tennis ball machine serves a ball vertically into the air from a height of 2 feet, with an initial speed of 110 feet per second. After how many seconds does the ball attain its maximum height? 3.44 sec 4.65 sec 5.41 sec 2.87 sec 3.44 sec 4.65 sec 5.41 sec 2.87 sec ANSWER DOWNLOAD EXAMIANS APP
Physics Eclipses occur due to which optical phenomena? Rectilinear propagation Reflection Diffraction Refraction Rectilinear propagation Reflection Diffraction Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics When two semiconductors of pand n-type are brought in contact, they form p-n junction which acts like a/an Rectifier Conductor Oscillator Amplifier Rectifier Conductor Oscillator Amplifier ANSWER DOWNLOAD EXAMIANS APP
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