# KVPY (Kishore Vaigyanik Protsahan Yojana) Stream-SA (Class 11) Physics: Questions 95 - 98 of 253

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## Question number: 95

MCQ▾

### Question

The reason for choose red colour for danger symbols is,

### Choices

Choice (4) Response

a.

Minimum wavelength in visible spectrum

b.

It reflects more than other colour

c.

Maximum wavelength in visible spectrum

d.

It reflect less than other colour

## Question number: 96

Appeared in Year: 2014

MCQ▾

### Question

A uniform square wooden sheet of side a has its center of mass located at point O as shown in the figure on the left. A square portion of side b of this sheet is cut out to produce as L-shaped sheet as shown in the figure on the right

The center of mass of the L-shaped sheet lies at the point P (in the diagram) when

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 97

MCQ▾

### Question

Water flows through a horizontal pipe of variable cross-section. The pressure of water is p at a point where the flow velocity is v. If ρ is the density of the water, the pressure at a point where the flow velocity is 3v will be,

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 98

Appeared in Year: 2014

MCQ▾

### Question

A large number of random snap shots using a camera are taken of a particle in simple harmonic motion between x =-x0 and x =+x0 with origin x = 0 as the mean position. A histogram of the total number of times the particle is recorded about a given position (Event no. ) would most closely resemble

### Choices

Choice (4) Response

a.

b.

c.

d.

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