Questions

Q:

The wavelike properties of electrons are useful in

A) Magnifying objects B) Lasers
C) Weather reports D) All of the above
 
Answer & Explanation Answer: A) Magnifying objects

Explanation:

The photoelectric effect pointed to the particle properties of light, which had been considered to be a wave phenomenon. Particles like electron and protons have both particle like and wave like behavior. Thus, according to de Broglie, all the material particles in motion possess wave characteristics. Although the dual nature of matter is applicable to all material objects but it is significant for microscopic bodies only.

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Filed Under: Physics
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Q:

Uranus takes _______years to orbit the sun

A) 48 B) 84
C) 50 D) 60
 
Answer & Explanation Answer: B) 84

Explanation:

Uranus is 2,870 million kilometers away from the sun and the time taken to complete one round at a speed of 6.8 km/sec is as  long as 84 years on earth

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Filed Under: World Geography

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Q:

What is XPath?

Answer

XPath is an expressions to select a xml node in an XML document.


It allows the navigation on the XML document to the straight to the element where we need to reach and access the attributes.


 

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Q:

Why is it a bad idea to duplicate keywords in multiple Ad Groups?

Answer

Keywords in multiple ad groups compete against each other, and the keyword with the higher performance will trigger the ad in that Ad Group to run.

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Q:

Write a c program for merge sort.

Answer

#include
#define MAX 50

void mergeSort(int arr[],int low,int mid,int high);
void partition(int arr[],int low,int high);

int main(){
  
    int merge[MAX],i,n;

    printf("Enter the total number of elements: ");
    scanf("%d",&n);

    printf("Enter the elements which to be sort: ");
    for(i=0;i<n;i++){
         scanf("%d",&merge[i]);
    }

    partition(merge,0,n-1);

    printf("After merge sorting elements are: ");
    for(i=0;i<n;i++){
         printf("%d ",merge[i]);
    }

   return 0;
}

void partition(int arr[],int low,int high){

    int mid;

    if(low<high){
         mid=(low+high)/2;
         partition(arr,low,mid);
         partition(arr,mid+1,high);
         mergeSort(arr,low,mid,high);
    }
}

void mergeSort(int arr[],int low,int mid,int high){

    int i,m,k,l,temp[MAX];

    l=low;
    i=low;
    m=mid+1;

    while((l<=mid)&&(m<=high)){

         if(arr[l]<=arr[m]){
             temp[i]=arr[l];
             l++;
         }
         else{
             temp[i]=arr[m];
             m++;
         }
         i++;
    }

    if(l>mid){
         for(k=m;k<=high;k++){
             temp[i]=arr[k];
             i++;
         }
    }
    else{
         for(k=l;k<=mid;k++){
             temp[i]=arr[k];
             i++;
         }
    }
  
    for(k=low;k<=high;k++){
         arr[k]=temp[k];
    }
}


Sample output:

Enter the total number of elements: 5
Enter the elements which to be sort: 2 5 0 9 1
After merge sorting elements are: 0 1 2 5 9

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Subject: Programming

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Q:

What is the main motive behind dealer incentives?

A) encouraging the maximum number of sales of the manufacturers products B) to maintain a permanent deal
C) maintaining good dealer-manufacturer relationships D) ensuring that the customer gets the best possible deal
 
Answer & Explanation Answer: A) encouraging the maximum number of sales of the manufacturers products

Explanation:

The main motive behind dealer incentives is to give the products at some low price for the dealers who take the products in bulk and maintain good selling of these products.

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Filed Under: Business Awareness
Exam Prep: AIEEE , Bank Exams , CAT
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Q:

Out of the four alternatives, choose the one which can be substituted for the given words/sentences and click the button corresponding to it.

A place of shelter for ships

A) Harbour B) Helipad
C) Port D) Barrack
 
Answer & Explanation Answer: A) Harbour

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

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Q:

A perfectly inelastic demand curve

A) Vertical with some steep B) Perfectly horizontal
C) Horizontal with some steep D) Perfectly vertical
 
Answer & Explanation Answer: D) Perfectly vertical

Explanation:

A perfectly inelastic demand curve is perfectly vertical either up or down in any way.

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Filed Under: Indian Economy
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