Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. RSUT
  4. /
  5. Physics
  6. /
  7. 2020/2021
  8. /
  9. Q7
Question 7

The silver wall of a vacuum flask prevents heat loss due to

  • A.diffraction
  • B.conduction
  • C.convection
  • D.radiation
Objective

Question details

Exam body
RSUT
Subject
Physics
Year
2020/2021
Question no.
#7
Type
Objective
Previous · Q6Calculate the electric field strength at a point 0.05m from a point charge of… Next · Q8 A constant force of 6N is applied to a 5kg mass initially at rest. The mass…

More from this paper

  • Q3Apiece of rubber 10cm long stretches 6mm when a load of 100N is hung from it…
  • Q4One of the properties of gamma rays is that they are
  • Q5When light is incident on an object, which is magenta in color, which of the…
  • Q9A cell of internal resistance 0.01Ω can be measured accurately using the
  • Q10The fission of a certain radioactive nucleus is accompanied by the release of…
  • Q11The purpose of dielectric material in a parallel plate capacitor is to
See all Physics 2020/2021 questions
Teacha

Africa's learning & exam readiness platform. Built for students, tutors, and schools.

Platform

  • Courses
  • Mock Exams
  • Past Questions

For You

  • I'm a Tutor
  • I'm a School
  • Pricing

© 2025 Teacha. Built for African learners, tutors, and schools. Teacha is not affiliated with WAEC, NECO, or JAMB. All past questions are sourced from publicly available materials.

Privacy PolicyTerms of UseCookie Policy