Why red light is used in traffic signal for danger? (CSS 2024 General Science & Ability Paper)

Due to short wavelength
Due to high frequency
It has long wavelength and high frequency
It has long wavelength and short frequency

Related MCQs

  1. Places experiencing equal impact of an earthquake are called? (CSS 2012 Current Affairs Paper)

    • snowlines
    • seismic belts
    • seismic lines
    • one of these

    Submitted by: CSS Exam Desk Team

  2. Polyamides are synthetic polymers commonly known as? (CSS 2011 General Science & Ability Paper)

    • Protein
    • Nylon
    • Cellulose
    • Synthetic rubber

    Submitted by: CSS Exam Desk Team

  3. Who was the first Vice President of Pakistan? (CSS 2017 Pakistan Affairs Paper)

    • Zulfiqar Ali Bhutto
    • Yahya Khan
    • Nurul Amin
    • None of these

    Submitted by: CSS Exam Desk Team

  4. Who was the second Governor-General of Pakistan? (CSS 2019 Pakistan Affairs Paper)

    • Khawaja Nazimuddin
    • Ghulam Muhammad
    • Iskandar Mirza
    • None of these

    Submitted by: CSS Exam Desk Team

  5. Foundation stone of the historic Islamia College Peshawar (ICP) laid by? (CSS 2016 Pakistan Affairs Paper)

    • Sir Sahibzada Abdul Qayum Khan
    • Haji Sahib of Turangzai
    • Sir George Roos-Keppel
    • Bibi Gul, the widow of Khairullah Khan

    Submitted by: CSS Exam Desk Team

  6. One who verbally claims to be a Muslim, but in his Heart is not so, is termed as? (CSS 2019 Islamic Studies Paper)

    • Kafir
    • Zindeeq
    • Murtad
    • None of these

    Submitted by: CSS Exam Desk Team

  7. The antonym of the word “Dwindle” is? (CCE 2023 Screening Test, December 1, 2024)

    • Decay
    • Calculate
    • Increase
    • Support

    Submitted by: CSS Exam Desk Team

  8. In which place seven small stones are collected to strike jammarats? (CSS 2012 Islamic Studies Paper)

    • mina
    • arafat
    • seena
    • muzdalfa

    Submitted by: CSS Exam Desk Team

  9. The most brutal sin (Zulm-e-Azeem) is? (CSS 2019 Islamic Studies Paper)

    • Adultery
    • Shirk
    • Murder
    • Lying

    Submitted by: CSS Exam Desk Team

  10. RAM of a computer is refers to? (CSS 2012 General Science & Ability Paper)

    • Random access memory
    • Right access memory
    • Read access memory
    • None of these options

    Submitted by: CSS Exam Desk Team

  11. The atmosphere of moon consists of? (CSS 2013 General Science & Ability Paper)

    • 90% Hydrogen, 10% Nitrogen
    • 80% Nitrogen, 20% Hydrogen
    • 60% Nitrogen, 40% Inert gases
    • None of these given options

    Submitted by: CSS Exam Desk Team

  12. Altaf Hussain Hali written “Hayat-e-Jawan” on? (CSS 2014 Pakistan Affairs Paper)

    • Sir Syed Ahmed Khan
    • Saadi Shirazi
    • Ghalib
    • None of these

    Submitted by: CSS Exam Desk Team

  13. Oasis is associated with? (CSS 2009 General Science & Ability Paper)

    • Desert
    • Islands
    • Volcanoes
    • Fertile land

    Submitted by: CSS Exam Desk Team

  14. Article 6 of the Constitution of Pakistan deals with? (CSS 2021 Current Affairs Paper)

    • High Treason
    • Being Sadiq and Amin
    • Accountability of the rulers
    • None of these

    Submitted by: CSS Exam Desk Team

  15. White coal is another name of? (CSS 2023 General Science & Ability Paper)

    • Geothermal energy
    • Hydroelectricity
    • Biofuel
    • None of these

    Submitted by: CSS Exam Desk Team

  16. Order of Fasting in Ramadhan was revealed in? (CSS 2023 Special Islamic Studies Paper)

    • 1st Hijri
    • 2nd Hijri
    • 3rd Hijri
    • 4th Hijri

    Submitted by: CSS Exam Desk Team

  17. Sun is a? (CSS 2011 General Science & Ability Paper)

    • Star
    • Comet
    • Satellite
    • Aurora

    Submitted by: CSS Exam Desk Team

  18. Currently there are-----members of NATO? (CSS 2020 Current Affairs Paper)

    • 27
    • 28
    • 29
    • 30

    Submitted by: CSS Exam Desk Team

  19. Bakkah is the name of a? (CSS 2014 Islamic Studies Paper)

    • City, Another name of Makkah
    • Sea
    • Desert
    • None of these

    Submitted by: CSS Exam Desk Team

  20. 2019 Indo-Pacific Chiefs Of Defiance (CHOD) Conference 2019 Held In? (CSS 2020 Current Affairs Paper)

    • Tokyo
    • Beijing
    • New Delhi
    • Bangkok

    Submitted by: CSS Exam Desk Team

  21. What time of the earth closest to the Sun? (CSS 2021 General Science & Ability Paper)

    • In winter
    • In summer
    • In Autumn
    • None of these

    Submitted by: CSS Exam Desk Team

  22. Which of the following an infection disease? (CSS 2012 General Science & Ability Paper)

    • Blindness
    • Baldness
    • Deafness
    • None of these

    Submitted by: CSS Exam Desk Team

  23. Rotation in which earth rotates in the form of?

    • West to East
    • East to West
    • North to South
    • South to North

    Submitted by: CSS Exam Desk Team

  24. Largest Arms importer in 2014? (CSS 2016 Current Affairs Paper)

    • North Korea
    • India
    • Saudi Arabia
    • None of these

    Submitted by: CSS Exam Desk Team

  25. Horticulture is the study of? (CSS 2015 General Science & Ability Paper)

    • Flowers
    • Plants
    • Fruits
    • None of these

    Submitted by: CSS Exam Desk Team