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Q:

Landstrom invented

A) Metallurgy B) Gas Engine
C) Safety Match D) None of these
 
Answer & Explanation Answer: C) Safety Match

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Filed Under: Inventions

6 8828
Q:

The demand for labour is the same as the ___________.

 

A) marginal revenue product B) marginal physical product
C) marginal cost D) wage
 
Answer & Explanation Answer: A) marginal revenue product

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Filed Under: Indian Economy
Exam Prep: Bank Exams

0 8826
Q:

Washing soda is used ______.

 

I. for removing permanent hardness of water

 

II. for disinfecting drinking water

 

III. as a cleaning agent for domestic purpose

 

A) Only I and II B) Only I and III
C) Only II and III D) All I, II and III
 
Answer & Explanation Answer: B) Only I and III

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Filed Under: Chemistry
Exam Prep: Bank Exams

0 8826
Q:

Rearrange the parts of the sentence in correct order.

In punishment for the uprising,

P - ­called tributes, to participate
Q­ - each of the twelve districts must provide
R­ - one girl and one boy,

A) PRQ B) PQR
C) RQP D) QRP
 
Answer & Explanation Answer: D) QRP

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Filed Under: English
Exam Prep: Bank Exams

0 8819
Q:

In diseases like Polio, the cells that get destroyed by virus, are

A) Monocytes B) Erythrocytes
C) Motor neurons D) Sensory neurons
 
Answer & Explanation Answer: C) Motor neurons

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Filed Under: Biology

42 8818
Q:

The most important cause for the outbreak of the Ghaddar revolution was the

A) Commencement of World War I B) Hanging of Kartar Singh Sarabha
C) Kamagato Maru Incident D) Arrest of Lala Hardayal
 
Answer & Explanation Answer: C) Kamagato Maru Incident

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Filed Under: Indian History

12 8818
Q:

A standing wave occurs when

A) a wave reflects upon itself B) the amplitude of a wave exceeds its wavelength
C) two waves overlap D) the speed of the wave is zero or near zero
 
Answer & Explanation Answer: A) a wave reflects upon itself

Explanation:

A standing wave also known as a stationary wave, is a wave in which its peaks or any other point on the wave do not move spatially.

This phenomenon can occur because the medium is moving in the opposite direction to the wave, or it can arise in a stationary medium as a result of interference between two waves traveling in opposite directions. The most common cause of standing waves is the phenomenon of resonance, in which standing waves occur inside a resonator due to interference between waves reflected back and forth at the resonator's resonant frequency.

 

Hence, standing wave occurs when a wave reflects upon itself.

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Filed Under: Physics
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

7 8816
Q:

Who was the first Indian to qualify for olympics?

A) Shiny Abraham B) PT Usha
C) Karnam Malleshwari D) Jyotirmony Sikdar
 
Answer & Explanation Answer: B) PT Usha

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Filed Under: Sports

19 8814