751. Sun accounts for approximately what fraction of total mass of Solar System ?
A. 70%
B. 90%
C. 95%
D. 99.86%
✅ The correct answer is option D.
SSC
752. In which of the following states is located the Indian Astronomical Observatory?
A. Karnataka
B. Uttar Pradesh
C. Maharashtra
D. Jammu & Kashmir
✅ The correct answer is option D.
753. Phobos and Deimos are the natural satellites of which of the following planets?
A. Mars
B. Saturn
C. Jupiter
D. Earth
✅ The correct answer is option A.
754. Which of the following is India‘s first nuclear reactor:
A. Apsara
B. Dhruva
C. Rawatbhatta
D. Kudankulam
✅ 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?
A. New Moon
B. Full Moon
C. Apogee
D. Perigee
✅ The correct answer is option C.
756. India‘s First Moon Mission Chandrayaan was launched on which among the following dates?
A. October 27, 2007
B. October 22, 2008
C. November 23, 2008
D. December 17, 2008
✅ 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?
A. -40°C
B. -65°C
C. -25°C
D. -32°C
✅ 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?
A. Earth & Mars
B. Mars & Jupiter
C. Jupiter and Saturn
D. Saturn and Pluto
✅ The correct answer is option B.
759. Which among the following can be measured with Anemometer?
A. Water Velocity
B. Wind Velocity
C. Relative Humidity
D. Absolute Humidity
✅ The correct answer is option B.
760. India‘s 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?
A. Particle Physics
B. Optics
C. Thermodynamics
D. Quantum Mechanics
✅ The correct answer is option B.