Indian army has published the notification for SSC Tech 56 men and SSC Tech 27 women for the course commencing at OTA Chennai from April 2021
Name the scientist who first used a glass prism to obtain the spectrum of sunlight?
C. V. Raman
Lord Rayleigh
Isaac Newton
S. Chandrasekhar
Which one of the following elements isotope is used in the treatment of cancer?
Uranium
cobalt
Sodium
iodine
The cost of energy to operate an industrial refrigerator that consumes 5 kW Power Working 10 hours per day for 30 days will be (Given that the charge per kWh of energy = ` 4)
600
6000
12000
4000
Which one of the following statements regarding the magnetic field is NOT correct?
The magnetic field is a quantity that has direction and magnitude
Magnetic field lines are closed curves
Magnetic field lines are open curves
No two magnetic field lines are found to cross each other
Which one of the following statements is correct about the effects of antibiotics on viruses?
Viruses are “non-living” entities, but it can interact with antibiotic
Taking antibiotics cures viral infections
Viruses do not possess metabolic pathways on which antibiotics can function, whereas bacteria have such pathways
Viruses are resistant to antibiotics
