An adult have permanent teeth?
An adult have permanent teeth?
A. 30
B. 40
C. 50
D. 32
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Which of the following principleis used to produce ‘low-temperatures’ ?
Which of the following principleis used to produce ‘low-temperatures’ ?A. Super conductivity
B. Joule-Kelvin effect
C. Thermo-electric effect
D. Adiabatic demagneti-sation1 light year = ?
1 light year = ?A. 9.5×106 km
B. 9.5×109 km
C. 9.5×1012 km
D. 9.5×1018 kmNearest galaxy to our milky way is ________?
Nearest galaxy to our milky way is ________?
A. Messier 81
B. Andromeda
C. Triangulum
D. WhirlpoolAccording to Einsteins general theory of relativity the universe:________________?
According to Einsteins general theory of relativity the universe:________________?A. Must be expanding
B. Must be contracting
C. Must be either expanding or contracting
D. Must be neither expanding nor contractingLargest Galaxy in the Universe is_________?
Largest Galaxy in the Universe is_________?
A. Andromeda Galaxy
B. Milky-Way
C. Spiral Galaxy
D. Horseshoe GalaxyElectric motor was invented by __________ ?
Electric motor was invented by __________ ?A. Michael Faraday
B. Oliver Evans
C. Thomas Edison
D. Horace Day