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5 Which of the following statements given below arefalse?Becquerel discovered radioactivityb. Fraunhoffer lines were first discovered byWollastornc. Photoelectric effect was discovered by Einstein1) a, b & c(2) a & c(3) b & c(4) c only |
| Answer» 5 Which of the following statements given below arefalse?Becquerel discovered radioactivityb. Fraunhoffer lines were first discovered byWollastornc. Photoelectric effect was discovered by Einstein1) a, b & c(2) a & c(3) b & c(4) c only | |