Test series no -3 MCQ on Science for competitive Exams (Check Answers from last page) 1- Consider the following statements and choose the correct option/s. (a) When an ultrasound travels from one medium to the other medium, its wavelength, frequency and speed changes. (b) The frequency of an ultrasound wave remains almost unchanged while travelling […]
Continue ReadingTEST SERIES NO – 2 MCQ on Science for competitive exams (Answer Key on last page of test series) 101-Hydrogen spectrum was first explained by (A) Niels Bohr (B) Erwin Schrodinger (C) Dalton (D) None of the above 102- Which of the following produces more severe burns? (A) steam (B) boiling water (C) hot […]
Continue ReadingTest Series no. -1 MCQ on Science for competitive exams (Answer key on last page of Test series) 1- An emulsion is a colloid of a (A) liquid in a liquid (B) gas in a liquid (C) liquid in a gas (D) gas in a solid 2- Percentage of carbon in steel ranges from […]
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