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In 2024, the World Governments Summit took place from 12-14 February in Dubai, the conversation involved governments, international organizations, thought leaders, and private sector leaders from around the globe to international cooperation and enable governments to identify innovative solutions for future challenges– further rippling to inspire and empower the next generation of governments.
A train runs along an unbanked circular track of radius of 10 m at speed of 36 km/h. The mass of the train is 16 kg.
What is the an...
Which one of the following is called a red planet?
In cricket match, while catching a fast moving ball, a fielder in the ground gradually pulls his hands backwards with the moving ball to reduce the velo...
A silicon sample is doped such that the number of holes far exceeds the number of electrons. Which of the following is true about its conductivity?
A beam of light consisting of two wavelengths, 600 nm and 420 nm, is used to obtain interference fringes in a Young’s double-slit experiment. Find...
A particle starts from rest and accelerates uniformly at 2 m/s² for 5 seconds, then moves with constant speed for 5 seconds and finally decelerates uni...
In streamline flow through a horizontal pipe, at one point the cross-sectional area is 4 cm² and velocity is 8 m/s. If at another point the cross-secti...
A conducting rod of length 0.2 m is rotated with angular velocity 10 rad/s about one end in a uniform magnetic field of 0.5 T perpendicular to the plane...
A uranium nucleus undergoes fission and releases 200 MeV per event. If 1 gram undergoes complete fission, the energy released in kWh is:
Which law of thermodynamics states that energy cannot be created or destroyed?
