Q:

Which type of electromagnetic radiation has the shortest wavelength?

A) Gamma rays	B) X-rays
C) Radio waves	D) Infrared rays

Answer & Explanation Answer: A) Gamma rays

Explanation:

The order of wavelengths of electromagnetic spectrum is as follows ::

(Shortest to Longest) - Gamma, X-Rays, UV, Visible, Infrared, Microwaves, Radio Waves.

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Filed Under: Physics
Exam Prep: Bank Exams

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Q:

Who invented Helicopter?

A) Copernicus	B) Sikorsky
C) Cockrell	D) Drinker

Answer & Explanation Answer: B) Sikorsky

Explanation:

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Filed Under: Inventions
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Q:

Which eminent Hindi writer was chosen for the Vyas Samman 2017 for her work Dukham Sukham ?

A) Mamta Kalia	B) Namita Gokhale
C) Meena Kandasamy	D) Jhumpa Lahiri

Answer & Explanation Answer: A) Mamta Kalia

Explanation:

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Filed Under: Famous Personalities
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Q:

The perimeter of two similar triangles ABC and PQR are 36 cms and 24 cms respectively. If PQ = 10 cm then the length of AB is

A) 18 cm	B) 12 cm
C) 15 cm	D) 330 cm

Answer & Explanation Answer: C) 15 cm

Explanation:

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Filed Under: Quantitative Aptitude - Arithmetic Ability

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Q:

A hollow hemispherical bowl is made of silver with its outer radius 8 cm and inner radius 4 cm respectively. The bowl is melted to form a solid right circular cone of radius 8 cm. The height of the cone formed is

A) 7 cm	B) 9 cm
C) 12 cm	D) 14 cm

Answer & Explanation Answer: D) 14 cm

Explanation:

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Filed Under: Quantitative Aptitude - Arithmetic Ability

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Q:

On the basis of whose recommendations the Union Ministry of Minority Affairs has ended the Haj subsidy from 2018?

A) Afzal Amanullah Committee	B) Umesh Sinha Committee
C) Mukhtar Abbas Naqvi Committee	D) Shahnaz Hussain Committee

Answer & Explanation Answer: A) Afzal Amanullah Committee

Explanation:

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Filed Under: Indian History
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Q:

Oxygen molecule is ______.

A) Monoatomic	B) Diatomic
C) Triatomic	D) Polyatomic

Answer & Explanation Answer: B) Diatomic

Explanation:

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Filed Under: Chemistry
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Q:

Which is known as carbolic acid?

A) Phenol	B) Ethanol
C) Acetic acid	D) Oxalic acid

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