Challenger App

No.1 PSC Learning App

1M+ Downloads

Which of the following types of images can be obtained on a screen?

  1. (a) Real and enlarged
  2. (b) Real and diminished
  3. (c) Virtual and enlarged
  4. (d) Virtual and diminished

    Aii only

    BNone of these

    Ci only

    Di, ii

    Answer:

    D. i, ii

    Read Explanation:

    Real images, which can be either enlarged or diminished, can be projected onto a screen. Virtual images cannot be projected onto a screen as they do not form real light intersections


    Related Questions:

    Which of the following is/are useful effort(s) for sustainability of resources?

    1. a. Switching off unnecessary lights and fans
    2. b. Using lift instead of stairs
    3. c. Repairing leaking taps for conserving water
    4. d. Using empty containers to store things
    5. e. Going to school by your own car instead of cycling
      താഴെ പറയുന്നതിൽ ഭൗതിക ശാസ്ത്രത്തിലെ ഏത് കണ്ടുപിടിത്തമാണ് സമീപകാലത്ത് വലിയ ശ്രദ്ധ നേടിയത്
      A 2 Ω resistance is connected to a 4Ω resistance in series. Their equivalent resistance will be?
      Reverberation is the persistence of sound after the source has stopped emitting sound due to ______ from multiple surfaces?
      ഇന്ത്യയുടെ ദേശീയ ഹരിത ഹൈഡ്രജൻ ദൗത്യം ലക്ഷ്യമിടുന്നത് :