Physics The damage of the human body due to radiation (X-rays or grays etc,) is measured in : Roentgen Rems Curie Rads Roentgen Rems Curie Rads ANSWER DOWNLOAD EXAMIANS APP
Physics It is more difficult to walk on a sandy road than on a concrete road because the sand is grainy but concrete is smooth. sand is soft and concreter is hard. the friction between sand and feet is less than that between concrete and feet. the friction between sand and feet is more than that between concrete and feet. the sand is grainy but concrete is smooth. sand is soft and concreter is hard. the friction between sand and feet is less than that between concrete and feet. the friction between sand and feet is more than that between concrete and feet. ANSWER DOWNLOAD EXAMIANS APP
Physics Sound produced at a point is heard by a person after 5 second, while the same sound is heard by another person after 6 seconds. If the speed of sound is 300 m/s, what could be the maximum and minimum distances between the two persons? 3.3 km, 0.30 km 1.8 km, 0.15 km 2.2 km, 0.20 km 2.8 km, 0.25 km 3.3 km, 0.30 km 1.8 km, 0.15 km 2.2 km, 0.20 km 2.8 km, 0.25 km ANSWER DOWNLOAD EXAMIANS APP
Physics To prevent damage from lightning, lightning conductors are used on tall structures. The lightning conductor Can be of any shape Should be in the form of a vertical rod Should be made of a good conductor but can be of any shape Should be made of a good conductor like copper with sharp-pointed edges Can be of any shape Should be in the form of a vertical rod Should be made of a good conductor but can be of any shape Should be made of a good conductor like copper with sharp-pointed edges ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following supports particle nature of photons ? Interference Polarization Photoelectric effect Diffraction Interference Polarization Photoelectric effect Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier for a man to swim in sea water, than in river water because The sea is wider than the river The density of sea water is more than the density of river water The density of sea water is lesser than the density of river water The sea is-deeper than the river The sea is wider than the river The density of sea water is more than the density of river water The density of sea water is lesser than the density of river water The sea is-deeper than the river ANSWER DOWNLOAD EXAMIANS APP
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