Physics During the motion of a projectile fired from the earth surface, ________ Horizontal component of its velocity remains constant Its momentum remains constant Its kinetic energy remains constant Vertical component of its velocity remains constant Horizontal component of its velocity remains constant Its momentum remains constant Its kinetic energy remains constant Vertical component of its velocity remains constant ANSWER DOWNLOAD EXAMIANS APP
Physics When a ring of metal is heated what happens to its hole ? It expands or contracts according to its coefficient of expansion Expands It expands or contracts according to its diameter Contracts It expands or contracts according to its coefficient of expansion Expands It expands or contracts according to its diameter Contracts ANSWER DOWNLOAD EXAMIANS APP
Physics Stars are held together by Magnetic forces Electrical forces Gravitational forces Ionic forces Magnetic forces Electrical forces Gravitational forces Ionic forces ANSWER DOWNLOAD EXAMIANS APP
Physics Water from soil enters into the root hairs owing to : Capillary pressure Root pressure Osmotic pressure Atmospheric pressure Capillary pressure Root pressure Osmotic pressure Atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Physics Electron microscope works on which of the following principles? Optical interference Wave Nature of electrons Faraday's law of Electromagnetic induction Motion of charged particle in electromagnetic fields Optical interference Wave Nature of electrons Faraday's law of Electromagnetic induction Motion of charged particle in electromagnetic fields ANSWER DOWNLOAD EXAMIANS APP
Physics Two metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K? 2k1k2/k1+k2 None K1k2/k1+k2 K1+k2/k1k2 2k1k2/k1+k2 None K1k2/k1+k2 K1+k2/k1k2 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS