Light, Sound, Heat and Nuclear Physics in Daily Life – Group 4 Topic Quiz

About this quiz

This quiz has 30 multiple-choice questions on Light, Sound, Heat and Nuclear Physics in Daily Life, from the General Science unit of the TNPSC Group 4 General Studies syllabus. - Time allowed: 30 minutes - Each question has four options and only one correct answer - No negative marking - Pass mark: 35% - Each answer comes with an explanation after you submit Topics covered: - Light: Reflection, Refraction, Images and Colour - Sound: Waves, Pitch, Loudness and Echo - Heat and Temperature in Daily Life - Nuclear Physics: The Atom, Radioactivity and Energy Syllabus reference: Light, sound, heat and nuclear physics in daily life

How it works

• Move freely between questions, mark them for review and change answers until you submit.
• The clock runs until you submit. When time is up, your answers are submitted.
• Pause any time — continue later here or in the app with the time you had left.
• You won't see right or wrong while you answer.
• After you submit: your score, rank, the correct answers and explanations.
• A submitted attempt is final and cannot be changed.
• Wrong answers lose marks (negative marking).
• XP is given once; a retake earns more only if you beat your best score.

Sample questions

1. 1The word AMBULANCE is written mirror-reversed on the front of the vehicle because the image in a plane mirror is ________.

   • Alaterally inverted
   • Breal and inverted
   • Cmagnified
   • Ddiminished

2. 2The image formed on a cinema screen is ________.

   • Avirtual and erect
   • Breal, formed where the rays actually meet
   • Cvirtual, formed where the rays only appear to meet
   • Dlaterally inverted and the same size as the object