App Logo

No.1 PSC Learning App

1M+ Downloads
Which was the first equipment used to measure the thickness of ozone layer?

ADobson Meter

BTheodolite

CSeismometer

DNone of the above

Answer:

A. Dobson Meter


Related Questions:

Which of the following is identified as a key measure for disaster prevention?
താഴെ പറയുന്നവയിൽ ഹരിതോർജ്ജം അല്ലാത്തത് ?

Consider the following statements regarding Non-Structural Preparedness Measures.

  1. Non-structural preparedness measures primarily involve policy, planning, and community-based actions.
  2. These measures typically focus on physical constructions like dams and levees.
  3. They aim to reduce vulnerability and enhance resilience through non-physical means.

    Consider the following aspects related to Task-oriented Preparedness planning.

    1. Training of members of Task Force and other volunteers is crucial for equipping personnel with necessary skills and knowledge.
    2. Creating structures for coordination is primarily to limit communication between different agencies during a disaster.
    3. Public awareness campaigns are an optional element and do not significantly contribute to overall preparedness.
      ഒരു നിശ്ചിത സ്ഥലത്ത് ഒരു പ്രത്യേക സമയത്ത് കാണപ്പെടുന്ന ഒരേ ഇനത്തിൽപ്പെട്ട ജീവികളുടെ കൂട്ടത്തെ എന്താണ് വിളിക്കുന്നത്?