Physics Wollen clothes keep the body warm because Wool rejects heat from the outer objects Wool increases the temperature of the body Wool is a bad conductor Wool absorbs radiant heat from outer objects Wool rejects heat from the outer objects Wool increases the temperature of the body Wool is a bad conductor Wool absorbs radiant heat from outer objects ANSWER DOWNLOAD EXAMIANS APP
Physics Sound becomes hazardous noise pollution at decibels? Above 120 db Above 30 db Above 50 db Above 80 db Above 120 db Above 30 db Above 50 db Above 80 db ANSWER DOWNLOAD EXAMIANS APP
Physics A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will Increase Have its shape changed Decrease Remain unaffected Increase Have its shape changed Decrease Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Physics A capillary tube is partially dipped vertically in a vessel containing water. Due to capillarity water rises in the tube. The height of water rise in the tube can be increased by Decreasing the radius of the capillary tube Increasing the height of water in the vessel None of these Increasing the radius of the capillary tube Decreasing the radius of the capillary tube Increasing the height of water in the vessel None of these Increasing the radius of the capillary tube ANSWER DOWNLOAD EXAMIANS APP
Physics The safest hammers are those with heads that are Chiseled and drop forged Alloy and drop-forged steel Cast steel and chiseled Welded and alloyed Chiseled and drop forged Alloy and drop-forged steel Cast steel and chiseled Welded and alloyed ANSWER DOWNLOAD EXAMIANS APP
Physics When two similar sources vibrate with slightly different frequencies, a regular rise and fall occurs in the loudness of tone. This phenomenon is known as Doppler effect Echo Beats Resonance Doppler effect Echo Beats Resonance ANSWER DOWNLOAD EXAMIANS APP