Question
Who discovered the phenomenon of
radioactivity?Solution
Henri Becquerel discovered radioactivity in 1896 while studying the properties of uranium salts. He observed spontaneous emissions of radiation without external stimuli, marking the first recorded discovery of radioactive decay.
Radha moves towards South-East a distance of 7 km, then she moves towards West and travels a distance of 14 m. From here, she moves towards North-West a...
If Block ‘A’ is situated in the centre of the township then which of the following is situated in the Western area of township?
Uma went 18 Km to the West from my house, then turned left and walked 22 Km. She then turned East and walked 32 Km & finally turning left covered 22 Km...
If L is 11m east of F then L is in which direction of H?
Govind starts from his house towards West. After walking a distance of 50 metres he turned towards right and walked 20 metres. Then he turned left and m...
What is the shortest distance between W and Q?
What is the shortest distance between Sanju and Ankit?
Ankit runs 20 meters towards east and turns right, runs for 15 meters and again turns right. Now the man runs for 10 meters and again turns to his left....
If Y % & Z then distance between Z and L is?
Dev walked 25 metres towards East, took a right turn and walked 35 metres. Then he took a left turn and walked 40 metres. In which direction is he now ...