Physics A boy is swinging a ball attached to a string in a horizontal circle. If the string snaps The ball will travel towards the center of the circle and fall down None of these It will continue to travel along a tangent to the circle at the point the ball was at the time of snapping and finally fall down It will fall down at the same place where the string breaks The ball will travel towards the center of the circle and fall down None of these It will continue to travel along a tangent to the circle at the point the ball was at the time of snapping and finally fall down It will fall down at the same place where the string breaks ANSWER DOWNLOAD EXAMIANS APP
Physics The time period of a pendulum when taken to the Moon would: Decrease Remain the same Increase Become zero Decrease Remain the same Increase Become zero ANSWER DOWNLOAD EXAMIANS APP
Physics Who gave black hole theory? Stephen Hawking Albert Einstein None of these Isaac Newton Stephen Hawking Albert Einstein None of these Isaac Newton ANSWER DOWNLOAD EXAMIANS APP
Physics Total internal reflection can not take place when light goes from : Water to glass Glass to air Glass to water Water to air Water to glass Glass to air Glass to water Water to air ANSWER DOWNLOAD EXAMIANS APP
Physics When two ice cubes are pressed together, they join to form one cube. Which one of the following helps to hold them together? Covalent attraction Vander waals forces Dipole interaction Hydrogen bond formation Covalent attraction Vander waals forces Dipole interaction Hydrogen bond formation ANSWER DOWNLOAD EXAMIANS APP
Physics If the wavelengths corresponding to ultraviolet, visible and infrared radiations are given as lUV, lVIS and lIR respectively, then which of the following gives the correct relationship among these wavelengths? LUV < lIR < lVIS LUV > lVIS > lIR LUV > lIR > lVIS LUV < lVIS < lIR LUV < lIR < lVIS LUV > lVIS > lIR LUV > lIR > lVIS LUV < lVIS < lIR ANSWER DOWNLOAD EXAMIANS APP
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