GSAT GSAT Science and Technology 2 ā Questions and Answers
Question 1: Which part of the electromagnetic spectrum has the shortest wavelength?
- Radio waves
- Infrared
- Visible light
- Gamma rays (Correct answer)
Correct answer: Gamma rays
Gamma rays have the shortest wavelength and highest frequency in the electromagnetic spectrum.
Question 2: What is the main function of the large intestine in the human digestive system?
- Protein digestion
- Fat absorption
- Water absorption (Correct answer)
- Enzyme production
Correct answer: Water absorption
The large intestine primarily absorbs water from indigestible food matter before it is eliminated.
Question 3: Which element has the atomic number 1?
- Helium
- Oxygen
- Carbon
- Hydrogen (Correct answer)
Correct answer: Hydrogen
Hydrogen, with one proton in its nucleus, has atomic number 1 and is the lightest element.
Question 4: What term describes the ability of a material to conduct electricity?
- Resistance
- Conductivity (Correct answer)
- Capacitance
- Inductance
Correct answer: Conductivity
Electrical conductivity is the measure of how easily electric current flows through a material.
Question 5: Which technology uses radio waves to detect the position and speed of objects?
- Sonar
- Lidar
- Radar (Correct answer)
- Infrared imaging
Correct answer: Radar
Radar (Radio Detection And Ranging) uses reflected radio waves to determine the location and velocity of objects.
Question 6: What is the SI unit of force?
- Watt
- Joule
- Pascal
- Newton (Correct answer)
Correct answer: Newton
The Newton (N) is the SI unit of force, defined as the force needed to accelerate 1 kg at 1 m/s².
Which part of the electromagnetic spectrum has the shortest wavelength?