751. Sun accounts for approximately what fraction of total mass of Solar System ? October 4, 2025 by Admin A. 70% B. 90% C. 95% D. 99.86% β The correct answer is option D.
752. In which of the following states is located the Indian Astronomical Observatory? October 4, 2025 by Admin A. Karnataka B. Uttar Pradesh C. Maharashtra D. Jammu & Kashmir β The correct answer is option D.
753. Phobos and Deimos are the natural satellites of which of the following planets? October 4, 2025 by Admin A. Mars B. Saturn C. Jupiter D. Earth β The correct answer is option A.
754. Which of the following is Indiaβs first nuclear reactor: October 4, 2025 by Admin A. Apsara B. Dhruva C. Rawatbhatta D. Kudankulam β The correct answer is option A.
755. At which among the following points, the high tides are lower than usual and low tides are higher than usual? October 4, 2025 by Admin A. New Moon B. Full Moon C. Apogee D. Perigee β The correct answer is option C.
756. Indiaβs First Moon Mission Chandrayaan was launched on which among the following dates? October 4, 2025 by Admin A. October 27, 2007 B. October 22, 2008 C. November 23, 2008 D. December 17, 2008 β The correct answer is option B.
757. At which among the following temperatures, the indicator of Celsius and Fahrenheit thermometers will show the same reading? October 4, 2025 by Admin A. -40Β°C B. -65Β°C C. -25Β°C D. -32Β°C β The correct answer is option A.
758. The asteroid belt is a region of the Solar System located roughly between the orbits of which among the following planets? October 4, 2025 by Admin A. Earth & Mars B. Mars & Jupiter C. Jupiter and Saturn D. Saturn and Pluto β The correct answer is option B.
759. Which among the following can be measured with Anemometer? October 4, 2025 by Admin A. Water Velocity B. Wind Velocity C. Relative Humidity D. Absolute Humidity β The correct answer is option B.
760. Indiaβs first Nobel Prize for Physics was claimed in 1930 by the renowned physicist Sir C.V. Raman for his work in which among the following fields? October 4, 2025 by Admin A. Particle Physics B. Optics C. Thermodynamics D. Quantum Mechanics β The correct answer is option B.