# NSTSE (National Science Talent Search Exam- Unified Council) Class 6: Questions 1225 - 1231 of 2029

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## Question number: 1225

### Question

When light falls on certain materials, electrons are released. These electrons are called

### Choices

Choice (4) | Response | |
---|---|---|

a. | Valency electrons | |

b. | Photoelectrons | |

c. | Free electrons | |

d. | Extra electrons |

## Question number: 1226

» Mathematics » Symmetry

### Question

Which of the following alphabet has vertical line of symmetry?

### Choices

Choice (4) | Response | |
---|---|---|

a. | A | |

b. | X | |

c. | T | |

d. | R |

## Question number: 1227

### Question

The ability to do works is called as ________.

### Choices

Choice (4) | Response | |
---|---|---|

a. | Energy | |

b. | Motion | |

c. | Potential | |

d. | Velocity |

## Question number: 1228

» Mathematics » Symmetry

### Question

Which of the following figure has only two lines of symmetry?

### Choices

Choice (4) | Response | |
---|---|---|

a. | ||

b. | ||

c. | ||

d. |

## Question number: 1229

» Mathematics » Ratio and Proportion

### Question

### Choices

Choice (4) | Response | |
---|---|---|

a. | 7: 12 | |

b. | 4: 13 | |

c. | 14: 15 | |

d. | 7: 24 |

## Question number: 1230

### Question

What is the least amount of energy required by a man to kick an object weighing 580 N to a height of 9 m?

### Choices

Choice (4) | Response | |
---|---|---|

a. | 6800 N | |

b. | 15,180 N | |

c. | 5220 J | |

d. | 46,980 J |

## Question number: 1231

» Mathematics » Ratio and Proportion

### Question

In the word ‘banana’, the ratio of number of n’s to the number of a’s is

### Choices

Choice (4) | Response | |
---|---|---|

a. | 3: 2 | |

b. | 2: 4 | |

c. | 3: 4 | |

d. | 2: 3 |